CVE catalog

CVE-2020-21605

libde265 affected and fixed versions

libde265 v1.0.4 contains a segmentation fault in the apply_sao_internal function, which can be exploited via a crafted a file.

Severity: Medium
Published: Sep 16, 2021, 10:15:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 1.01% · Oct 27, 2026

Projects and upstream resources

[libde265][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.

Distribution / release	Package	Version	Status	Source
Debiantrixie-security	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2020-21605]
Debiantrixie	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2020-21605]
Debiantrixie	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debiansid	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debiansid	libde265	`1.1.3-1`	Fixed	[CVE-2020-21605]
Ubuntupro	libde265	`1.0.2-2ubuntu0.18.04.1~esm1`	Fixed	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC
Debianforky	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debianforky	libde265	`1.1.3-1`	Fixed	[CVE-2020-21605]
Debianbookworm-security	libde265	`1.0.11-1+deb12u3`	Fixed	[CVE-2020-21605]
Debianbookworm	libde265	`1.0.11-1+deb12u2`	Fixed	[CVE-2020-21605]
Debianbookworm	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Ubuntu20.04	libde265	`1.0.4-1ubuntu0.1`	Fixed	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC

Showing 12 fix observations. All 27 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
Alpine3.14	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.15	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.16	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.17	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.18	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.19	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.20	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.21	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.22	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.23	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Alpine3.24	libde265	`1.0.11-r0`	Fixed	[ALPINE-CVE-2020-21605]Oct 26, 2026, 11:17:55 AM UTC
Debianbookworm	libde265	`1.0.11-1+deb12u2`	Fixed	[CVE-2020-21605]
Debianbookworm	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debianbookworm-security	libde265	`1.0.11-1+deb12u3`	Fixed	[CVE-2020-21605]
Debianforky	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debianforky	libde265	`1.1.3-1`	Fixed	[CVE-2020-21605]
Debiansid	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debiansid	libde265	`1.1.3-1`	Fixed	[CVE-2020-21605]
Debiantrixie	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2020-21605]
Debiantrixie	libde265	`1.0.9-1`	FixedDistribution-reported fixed boundary	[CVE-2020-21605]
Debiantrixie-security	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2020-21605]
Ubuntu20.04	libde265	`1.0.3-1build1`	Affected	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC
Ubuntu20.04	libde265	`1.0.4-1`	Affected	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC
Ubuntu20.04	libde265	`1.0.4-1build1`	Affected	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC
Ubuntu20.04	libde265	`1.0.4-1ubuntu0.1`	Fixed	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC
Ubuntupro	libde265	`1.0.2-2build1`	Affected	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC
Ubuntupro	libde265	`1.0.2-2ubuntu0.18.04.1~esm1`	Fixed	[UBUNTU-CVE-2020-21605]Apr 22, 2026, 12:32:49 PM UTC

Original provider fields

{
  "package_releases": [
    {
      "name": "libde265",
      "status": "fixed",
      "release": "sid",
      "version": "1.1.3-1"
    },
    {
      "name": "libde265",
      "status": "fixed",
      "release": "forky",
      "version": "1.1.3-1"
    },
    {
      "name": "libde265",
      "status": "fixed",
      "release": "trixie",
      "version": "1.0.15-1+deb13u2"
    },
    {
      "name": "libde265",
      "status": "fixed",
      "release": "trixie-security",
      "version": "1.0.15-1+deb13u2"
    },
    {
      "name": "libde265",
      "status": "fixed",
      "release": "bookworm",
      "version": "1.0.11-1+deb12u2"
    },
    {
      "name": "libde265",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "1.0.11-1+deb12u3"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1014999,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.0.9-1"
    },
    {
      "bug": 1014999,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.0.9-1"
    },
    {
      "bug": 1014999,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.0.9-1"
    },
    {
      "bug": 1014999,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.0.9-1"
    }
  ],
  "distribution_packages": [
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.14",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.15",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.16",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.17",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.18",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.19",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.20",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.21",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.22",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.23",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.11-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2020-21605",
      "fixed_version": "1.0.11-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2020-21605",
      "provider_updated_at": "2026-10-26T11:17:55.148397021Z"
    },
    {
      "name": "libde265",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.2-2ubuntu0.18.04.1~esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.0.2-2build1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-21605",
      "fixed_version": "1.0.2-2ubuntu0.18.04.1~esm1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-21605",
      "provider_updated_at": "2026-04-22T12:32:49.377645Z"
    },
    {
      "name": "libde265",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.4-1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "1.0.3-1build1",
        "1.0.4-1",
        "1.0.4-1build1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2020-21605",
      "fixed_version": "1.0.4-1ubuntu0.1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2020-21605",
      "provider_updated_at": "2026-04-22T12:32:49.377645Z"
    }
  ]
}

[Debian bug #1014999]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[libde265-0]Unknown
Source package: [libde265]
Details (2)
- 1.0.11-1+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · bookworm; dsa · libde265 · debian · 12
- 1.0.11-1+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · bookworm; dsa · libde265 · debian · 12
[libde265-dev]Unknown
Source package: [libde265]
Details (2)
- 1.0.11-1+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · bookworm; dsa · libde265 · debian · 12
- 1.0.11-1+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · bookworm; dsa · libde265 · debian · 12
[libde265-examples]Unknown
Source package: [libde265]
Details (2)
- 1.0.11-1+deb12u2 · amd64 · bookworm
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · bookworm; dsa · libde265 · debian · 12
- 1.0.11-1+deb12u2 · arm64 · bookworm
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · bookworm; dsa · libde265 · debian · 12

[Debian 13 (Trixie)]

[libde265-0]Unknown
Source package: [libde265]
Details (5)
- 1.0.15-1+b3 · amd64 · trixie
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+b3 · arm64 · trixie
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
[libde265-dev]Unknown
Source package: [libde265]
Details (5)
- 1.0.15-1+b3 · amd64 · trixie
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+b3 · arm64 · trixie
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
[libde265-examples]Unknown
Source package: [libde265]
Details (5)
- 1.0.15-1+b3 · amd64 · trixie
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+b3 · arm64 · trixie
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u1 · amd64 · trixie-security · Historical version
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u1 · arm64 · trixie-security
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13
- 1.0.15-1+deb13u2 · amd64 · trixie-security
  Fixed · Fixed: 1.0.9-1
  dsa · libde265 · debian · 13

Observed: Oct 23, 2026, 5:48:58 PM UTC

References

[Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database]