CVE catalog

CVE-2025-5222

icu affected and fixed versions

A stack buffer overflow was found in Internationl components for unicode (ICU ). While running the genrb binary, the 'subtag' struct overflowed at the SRBRoot::addTag function. This issue may lead to memory corruption and local arbitrary code execution.

Severity: High · CVSS 7CVSS:3.1/AV:L/AC:H/PR:N/UI:R/S:U/C:H/I:H/A:H
Published: Jan 1, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.44% · Oct 27, 2026

Projects and upstream resources

[icu][Source-reported homepage]

Reported versions and fixes

Each observation applies to its named package, distribution, and release. Distribution backports can fix a vulnerability while retaining an older upstream version number.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "icu",
      "status": "fixed",
      "release": "sid",
      "version": "78.3-2"
    },
    {
      "name": "icu",
      "status": "fixed",
      "release": "forky",
      "version": "78.3-2"
    },
    {
      "name": "icu",
      "status": "fixed",
      "release": "trixie",
      "version": "76.1-4"
    },
    {
      "name": "icu",
      "status": "fixed",
      "release": "bookworm",
      "version": "72.1-3+deb12u1"
    },
    {
      "name": "icu",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "72.1-3+deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1106684,
      "name": "icu",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "76.1-4"
    },
    {
      "bug": 1106684,
      "name": "icu",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "76.1-4"
    },
    {
      "bug": 1106684,
      "name": "icu",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "76.1-4"
    },
    {
      "bug": 1106684,
      "name": "icu",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "72.1-3+deb12u1"
    }
  ],
  "distribution_packages": [
    {
      "name": "international_components_for_unicode",
      "ranges": [
        {
          "fixed": "77.1",
          "introduced": "",
          "last_affected": "",
          "start_excluding": ""
        }
      ],
      "ecosystem": "cpe",
      "fixed_version": "77.1",
      "provider_record_id": "NVD-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "74.1-r1"
            }
          ]
        }
      ],
      "release": "3.19",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "74.1-r1",
      "provider_record_id": "ALPINE-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "74.2-r1"
            }
          ]
        }
      ],
      "release": "3.20",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "74.2-r1",
      "provider_record_id": "ALPINE-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "74.2-r1"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "74.2-r1",
      "provider_record_id": "ALPINE-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "76.1-r1"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "76.1-r1",
      "provider_record_id": "ALPINE-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "76.1-r1"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "76.1-r1",
      "provider_record_id": "ALPINE-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "76.1-r1"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "76.1-r1",
      "provider_record_id": "ALPINE-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "55.1-4ubuntu1",
        "55.1-6ubuntu1",
        "55.1-7",
        "55.1-7ubuntu0.1",
        "55.1-7ubuntu0.2",
        "55.1-7ubuntu0.3",
        "55.1-7ubuntu0.4",
        "55.1-7ubuntu0.5",
        "55.1-7ubuntu0.5+esm1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "18.04",
      "versions": [
        "57.1-6",
        "59.1-3ubuntu1",
        "60.1-1ubuntu2",
        "60.2-1ubuntu1",
        "60.2-3ubuntu1",
        "60.2-3ubuntu3",
        "60.2-3ubuntu3.1",
        "60.2-3ubuntu3.2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "63.2-2",
        "65.1-1ubuntu2",
        "66.1-2ubuntu2",
        "66.1-2ubuntu2.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "67.1-7ubuntu1",
        "70.1-2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "72.1-3ubuntu3",
        "72.1-4ubuntu1",
        "74.2-1ubuntu1",
        "74.2-1ubuntu3",
        "74.2-1ubuntu3.1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "25.10",
      "versions": [
        "76.1-1ubuntu2",
        "76.1-4ubuntu1",
        "76.1-4ubuntu2"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "26.04",
      "versions": [
        "76.1-4ubuntu2",
        "78.1-1ubuntu1",
        "78.1-2ubuntu2",
        "78.2-1ubuntu1",
        "78.2-2ubuntu1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2025-5222"
    },
    {
      "name": "icu",
      "distro": "opensuse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "77.1-3.1"
            }
          ]
        }
      ],
      "release": "tumbleweed",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "77.1-3.1",
      "provider_record_id": "OPENSUSE-SU-2025:15230-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise module for basesystem 15 sp6",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise module for basesystem 15 sp7",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise high performance computing 15 sp3-ltss",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise high performance computing 15 sp4-espos",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise high performance computing 15 sp4-ltss",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server 15 sp3-ltss",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server 15 sp4-ltss",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server 15 sp5-ltss",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server for sap applications 15 sp3",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server for sap applications 15 sp4",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server for sap applications 15 sp5",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "60.2-150000.3.18.1"
            }
          ]
        }
      ],
      "release": "enterprise storage 7.1",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "60.2-150000.3.18.1",
      "provider_record_id": "SUSE-SU-2025:02059-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "52.1-8.16.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server 12 sp5-ltss",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "52.1-8.16.1",
      "provider_record_id": "SUSE-SU-2025:02216-1"
    },
    {
      "name": "icu",
      "distro": "suse",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "52.1-8.16.1"
            }
          ]
        }
      ],
      "release": "linux enterprise server ltss extended security 12 sp5",
      "versions": [],
      "ecosystem": "rpm",
      "fixed_version": "52.1-8.16.1",
      "provider_record_id": "SUSE-SU-2025:02216-1"
    }
  ]
}

[Debian bug #1106684]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[icu-devtools]Unknown
Source package: [icu]
Details (4)
- 72.1-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
[icu-doc]Unknown
Source package: [icu]
Details (4)
- 72.1-3+deb12u1 · all · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · all · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · all · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · all · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
[libicu72]Unknown
Source package: [icu]
Details (4)
- 72.1-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
[libicu-dev]Unknown
Source package: [icu]
Details (4)
- 72.1-3+deb12u1 · amd64 · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · arm64 · bookworm
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · amd64 · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12
- 72.1-3+deb12u1 · arm64 · bookworm-security
  Fixed · Fixed: 72.1-3+deb12u1
  dsa · icu · debian · bookworm; dsa · icu · debian · 12

[Debian 13 (Trixie)]

[icu-devtools]Unknown
Source package: [icu]
Details (2)
- 76.1-4 · amd64 · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
- 76.1-4 · arm64 · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
[icu-doc]Unknown
Source package: [icu]
Details (2)
- 76.1-4 · all · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
- 76.1-4 · all · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
[libicu76]Unknown
Source package: [icu]
Details (2)
- 76.1-4 · amd64 · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
- 76.1-4 · arm64 · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
[libicu-dev]Unknown
Source package: [icu]
Details (2)
- 76.1-4 · amd64 · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13
- 76.1-4 · arm64 · trixie
  Fixed · Fixed: 76.1-4
  dsa · icu · debian · 13

[openSUSE Tumbleweed]

[icu]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · x86_64 · tumbleweed
  Fixed · Fixed: 77.1-3.1
  dsa · icu · opensuse · tumbleweed
[libicu78]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · x86_64 · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed
[libicu78-32bit]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · x86_64 · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed
[libicu78-bedata]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · noarch · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed
[libicu78-ledata]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · noarch · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed
[libicu-devel]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · x86_64 · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed
[libicu-devel-32bit]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · x86_64 · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed
[libicu-doc]Unknown
Source package: [icu]
Details (1)
- 78.3-1.4 · x86_64 · tumbleweed
  Unknown · Fixed: 77.1-3.1
  Version impact unknown
  dsa · icu · opensuse · tumbleweed

Observed: Oct 24, 2026, 10:05:53 PM UTC

References

[CERT-Bund public advisories] · [CISA cybersecurity advisories] · [Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]