CVE catalog

CVE-2026-34979

OpenPrinting CUPS is an open source printing system…

OpenPrinting CUPS is an open source printing system for Linux and other Unix-like operating systems. In versions 2.4.16 and prior, there is a heap-based buffer overflow in the CUPS scheduler when building filter option strings from job attribute. At time of publication, there are no publicly available patches.

Severity: Medium · CVSS 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published: Mar 31, 2026, 10:00:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 0.39% · Oct 27, 2026

Projects and upstream resources

[cups][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": "cups",
      "status": "fixed",
      "release": "sid",
      "version": "2.4.20-1"
    },
    {
      "name": "cups",
      "status": "fixed",
      "release": "forky",
      "version": "2.4.18-1"
    },
    {
      "name": "cups",
      "status": "vulnerable",
      "release": "trixie",
      "version": "2.4.10-3+deb13u2"
    },
    {
      "name": "cups",
      "status": "vulnerable",
      "release": "trixie-security",
      "version": "2.4.10-3+deb13u1"
    },
    {
      "name": "cups",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "2.4.2-3+deb12u9"
    },
    {
      "name": "cups",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "2.4.2-3+deb12u9"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1132716,
      "name": "cups",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "2.4.17-1"
    },
    {
      "bug": 1132716,
      "name": "cups",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "2.4.17-1"
    },
    {
      "bug": 1132716,
      "name": "cups",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": ""
    },
    {
      "bug": 1132716,
      "name": "cups",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "cups",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-bsd",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-client",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-common",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-core-drivers",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-daemon",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-ipp-utils",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-ppdc",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups-server-common",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "libcups2-dev",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "libcups2t64",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "libcupsimage2-dev",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "libcupsimage2t64",
      "ecosystem": "cpe",
      "fixed_version": "2.4.7-1.2ubuntu7.13"
    },
    {
      "name": "cups",
      "ecosystem": "cpe",
      "fixed_version": "not yet fixed"
    },
    {
      "name": "cups",
      "ecosystem": "cpe",
      "fixed_version": ""
    },
    {
      "name": "cups",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.18-r0"
            }
          ]
        }
      ],
      "release": "3.20",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "2.4.18-r0",
      "provider_record_id": "ALPINE-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.18-r0"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "2.4.18-r0",
      "provider_record_id": "ALPINE-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.18-r0"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "2.4.18-r0",
      "provider_record_id": "ALPINE-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.18-r0"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "2.4.18-r0",
      "provider_record_id": "ALPINE-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.18-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "fixed_version": "2.4.18-r0",
      "provider_record_id": "ALPINE-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "2.2.12-2ubuntu1",
        "2.3.0-6",
        "2.3.0-7",
        "2.3.0-7ubuntu1",
        "2.3.1-1ubuntu1",
        "2.3.1-2",
        "2.3.1-4",
        "2.3.1-7",
        "2.3.1-9ubuntu1",
        "2.3.1-9ubuntu1.1",
        "2.3.1-9ubuntu1.2",
        "2.3.1-9ubuntu1.3",
        "2.3.1-9ubuntu1.4",
        "2.3.1-9ubuntu1.5",
        "2.3.1-9ubuntu1.6",
        "2.3.1-9ubuntu1.7",
        "2.3.1-9ubuntu1.8",
        "2.3.1-9ubuntu1.9",
        "2.3.1-9ubuntu1.9+esm1",
        "2.3.1-9ubuntu1.9+esm3",
        "2.3.1-9ubuntu1.9+esm4"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.1op1-1ubuntu4.20"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "2.3.3op2-7ubuntu2",
        "2.4.1op1-1ubuntu1",
        "2.4.1op1-1ubuntu2",
        "2.4.1op1-1ubuntu3",
        "2.4.1op1-1ubuntu4",
        "2.4.1op1-1ubuntu4.1",
        "2.4.1op1-1ubuntu4.2",
        "2.4.1op1-1ubuntu4.4",
        "2.4.1op1-1ubuntu4.6",
        "2.4.1op1-1ubuntu4.7",
        "2.4.1op1-1ubuntu4.8",
        "2.4.1op1-1ubuntu4.9",
        "2.4.1op1-1ubuntu4.10",
        "2.4.1op1-1ubuntu4.11",
        "2.4.1op1-1ubuntu4.12",
        "2.4.1op1-1ubuntu4.15",
        "2.4.1op1-1ubuntu4.16"
      ],
      "ecosystem": "deb",
      "fixed_version": "2.4.1op1-1ubuntu4.20",
      "provider_record_id": "UBUNTU-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.7-1.2ubuntu7.13"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "2.4.6-0ubuntu3",
        "2.4.7-1.2ubuntu2",
        "2.4.7-1.2ubuntu3",
        "2.4.7-1.2ubuntu7",
        "2.4.7-1.2ubuntu7.1",
        "2.4.7-1.2ubuntu7.2",
        "2.4.7-1.2ubuntu7.3",
        "2.4.7-1.2ubuntu7.4",
        "2.4.7-1.2ubuntu7.7",
        "2.4.7-1.2ubuntu7.9"
      ],
      "ecosystem": "deb",
      "fixed_version": "2.4.7-1.2ubuntu7.13",
      "provider_record_id": "UBUNTU-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.12-0ubuntu3.9"
            }
          ]
        }
      ],
      "release": "25.10",
      "versions": [
        "2.4.12-0ubuntu1",
        "2.4.12-0ubuntu2",
        "2.4.12-0ubuntu3",
        "2.4.12-0ubuntu3.3",
        "2.4.12-0ubuntu3.5"
      ],
      "ecosystem": "deb",
      "fixed_version": "2.4.12-0ubuntu3.9",
      "provider_record_id": "UBUNTU-CVE-2026-34979"
    },
    {
      "name": "cups",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "2.4.16-1ubuntu1.2"
            }
          ]
        }
      ],
      "release": "26.04",
      "versions": [
        "2.4.12-0ubuntu3",
        "2.4.12-0ubuntu5",
        "2.4.16-1ubuntu1"
      ],
      "ecosystem": "deb",
      "fixed_version": "2.4.16-1ubuntu1.2",
      "provider_record_id": "UBUNTU-CVE-2026-34979"
    }
  ]
}

[Debian bug #1132716]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[cups]Unknown
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-bsd]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-client]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-common]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · all · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · all · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · all · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · all · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-core-drivers]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-daemon]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-ipp-utils]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-ppdc]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[cups-server-common]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · all · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · all · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · all · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · all · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[libcups2]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[libcups2-dev]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[libcupsimage2]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
[libcupsimage2-dev]Unknown
Source package: [cups]
Details (4)
- 2.4.2-3+deb12u9 · amd64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · amd64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12
- 2.4.2-3+deb12u9 · arm64 · bookworm-security
  Affected
  nvd · cups · debian · bookworm; nvd · cups · debian · 12

[Debian 13 (Trixie)]

[cups]Unknown
Details (4)
- 2.4.10-3+deb13u2 · amd64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · arm64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · amd64 · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · arm64 · trixie-security
  Affected
  nvd · cups · debian · 13
[cups-bsd]Unknown
Source package: [cups]
Details (4)
- 2.4.10-3+deb13u2 · amd64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · arm64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · amd64 · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · arm64 · trixie-security
  Affected
  nvd · cups · debian · 13
[cups-client]Unknown
Source package: [cups]
Details (4)
- 2.4.10-3+deb13u2 · amd64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · arm64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · amd64 · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · arm64 · trixie-security
  Affected
  nvd · cups · debian · 13
[cups-common]Unknown
Source package: [cups]
Details (4)
- 2.4.10-3+deb13u2 · all · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · all · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · all · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · all · trixie-security
  Affected
  nvd · cups · debian · 13
[cups-core-drivers]Unknown
Source package: [cups]
Details (4)
- 2.4.10-3+deb13u2 · amd64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · arm64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · amd64 · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · arm64 · trixie-security
  Affected
  nvd · cups · debian · 13
[cups-daemon]Unknown
Source package: [cups]
Details (4)
- 2.4.10-3+deb13u2 · amd64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · arm64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · amd64 · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · arm64 · trixie-security
  Affected
  nvd · cups · debian · 13
[cups-ipp-utils]Unknown
Source package: [cups]
Details (4)
- 2.4.10-3+deb13u2 · amd64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u2 · arm64 · trixie
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · amd64 · trixie-security
  Affected
  nvd · cups · debian · 13
- 2.4.10-3+deb13u1 · arm64 · trixie-security
  Affected
  nvd · cups · debian · 13

Next results

Observed: Oct 27, 2026, 8:01:30 AM UTC

References

[CERT-Bund public 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] · [Ubuntu Security Notices (USN)]