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CVE-2026-54241

libde265 vulnerabilities

libde265 is an open source implementation of the h.265 video codec. Versions prior to 1.1.1 use signed 32-bit arithmetic to calculate the sample adaptive offset input-buffer size, allowing a crafted HEVC stream with large dimensions and 16-bit luma samples to cause an integer overflow, an undersized allocation, and an out-of-bounds heap read that may expose heap data in decoded output or crash the decoder. Version 1.1.1 contains a patch.

Gravedad: High · CVSS 7.4CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:N/A:H
Published: Jul 1, 2026, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.39% · 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-2026-54241]
Debiantrixie	libde265	`1.0.15-1+deb13u1`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debiantrixie	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2026-54241]
Debiansid	libde265	`1.1.1-1`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debiansid	libde265	`1.1.3-1`	Fixed	[CVE-2026-54241]
Debianforky	libde265	`1.1.1-1`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debianforky	libde265	`1.1.3-1`	Fixed	[CVE-2026-54241]
Debianbookworm-security	libde265	`1.0.11-1+deb12u3`	Fixed	[CVE-2026-54241]
Debianbookworm	libde265	`1.0.11-1+deb12u3`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]

Showing 9 fix observations. All 28 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence

Distribution / release	Package	Version	Status	Source
UnknownRelease not reported	libde265	Not reported	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libde265	`1.0.15-1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libde265-0	`1.0.15-1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libde265-dev	`1.0.15-1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
UnknownRelease not reported	libde265-examples	`1.0.15-1ubuntu0.1`	UnknownSource applicability is not established	Provider not reported
Alpine3.24	libde265	`1.1.3-r0`	UnknownSource applicability is not established	[ALPINE-CVE-2026-54241]Oct 23, 2026, 6:30:02 PM UTC
Debianbookworm	libde265	`1.0.11-1+deb12u2`	Affected	[CVE-2026-54241]
Debianbookworm	libde265	`1.0.11-1+deb12u3`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debianbookworm-security	libde265	`1.0.11-1+deb12u3`	Fixed	[CVE-2026-54241]
Debianforky	libde265	`1.1.1-1`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debianforky	libde265	`1.1.3-1`	Fixed	[CVE-2026-54241]
Debiansid	libde265	`1.1.1-1`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debiansid	libde265	`1.1.3-1`	Fixed	[CVE-2026-54241]
Debiantrixie	libde265	`1.0.15-1+deb13u1`	FixedDistribution-reported fixed boundary	[CVE-2026-54241]
Debiantrixie	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2026-54241]
Debiantrixie-security	libde265	`1.0.15-1+deb13u2`	Fixed	[CVE-2026-54241]
Ubuntu24.04	libde265	`1.0.12-2`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu24.04	libde265	`1.0.13-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu24.04	libde265	`1.0.15-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu24.04	libde265	`1.0.15-1build1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu24.04	libde265	`1.0.15-1build2`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu24.04	libde265	`1.0.15-1build3`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu24.04	libde265	`1.0.15-1ubuntu0.1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu25.10	libde265	`1.0.15-1build5`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntu25.10	libde265	`1.0.16-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntupro	libde265	`1.0.16-1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntupro	libde265	`1.0.16-1build1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 PM UTC
Ubuntupro	libde265	`1.0.16-1ubuntu0.1~esm1`	UnknownSource applicability is not established	[UBUNTU-CVE-2026-54241]Sep 16, 2026, 2:02:11 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": "vulnerable",
      "release": "bookworm",
      "version": "1.0.11-1+deb12u2"
    },
    {
      "name": "libde265",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "1.0.11-1+deb12u3"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.1.1-1"
    },
    {
      "bug": null,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.1.1-1"
    },
    {
      "bug": null,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.0.15-1+deb13u1"
    },
    {
      "bug": null,
      "name": "libde265",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.0.11-1+deb12u3"
    }
  ],
  "distribution_packages": [
    {
      "name": "libde265",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    },
    {
      "name": "libde265",
      "fixed_version": "1.0.15-1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libde265-0",
      "fixed_version": "1.0.15-1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libde265-dev",
      "fixed_version": "1.0.15-1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libde265-examples",
      "fixed_version": "1.0.15-1ubuntu0.1",
      "applicability_unknown": true
    },
    {
      "name": "libde265",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.16-1ubuntu0.1~esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.0.16-1",
        "1.0.16-1build1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-54241",
      "fixed_version": "1.0.16-1ubuntu0.1~esm1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2026-54241",
      "provider_updated_at": "2026-09-16T14:02:11.796770091Z",
      "applicability_unknown": true
    },
    {
      "name": "libde265",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.0.15-1ubuntu0.1"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "1.0.12-2",
        "1.0.13-1",
        "1.0.15-1",
        "1.0.15-1build1",
        "1.0.15-1build2",
        "1.0.15-1build3"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-54241",
      "fixed_version": "1.0.15-1ubuntu0.1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2026-54241",
      "provider_updated_at": "2026-09-16T14:02:11.796770091Z",
      "applicability_unknown": true
    },
    {
      "name": "libde265",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "25.10",
      "versions": [
        "1.0.15-1build5",
        "1.0.16-1"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2026-54241",
      "fixed_version": "",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2026-54241",
      "provider_updated_at": "2026-09-16T14:02:11.796770091Z",
      "applicability_unknown": true
    },
    {
      "name": "libde265",
      "distro": "alpine",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.1.3-r0"
            }
          ]
        }
      ],
      "release": "3.24",
      "versions": [],
      "ecosystem": "apk",
      "provider_url": "https://osv.dev/vulnerability/ALPINE-CVE-2026-54241",
      "fixed_version": "1.1.3-r0",
      "provider_source": "pypi",
      "provider_record_id": "ALPINE-CVE-2026-54241",
      "provider_updated_at": "2026-10-23T18:30:02.508971448Z",
      "applicability_unknown": true
    }
  ]
}

OpenFactory catalog packages

La asociación de paquetes está en curso.

[Debian 12 (Bookworm)]

[libde265-0]Desconocido
Paquete fuente: [libde265]
Detalles (2)
- 1.0.11-1+deb12u2 · amd64 · bookworm
  Afectada · Corregida: 1.0.11-1+deb12u3
  usn · libde265 · debian · bookworm; usn · libde265 · debian · 12
- 1.0.11-1+deb12u2 · arm64 · bookworm
  Afectada · Corregida: 1.0.11-1+deb12u3
  usn · libde265 · debian · bookworm; usn · libde265 · debian · 12
[libde265-dev]Desconocido
Paquete fuente: [libde265]
Detalles (2)
- 1.0.11-1+deb12u2 · amd64 · bookworm
  Afectada · Corregida: 1.0.11-1+deb12u3
  usn · libde265 · debian · bookworm; usn · libde265 · debian · 12
- 1.0.11-1+deb12u2 · arm64 · bookworm
  Afectada · Corregida: 1.0.11-1+deb12u3
  usn · libde265 · debian · bookworm; usn · libde265 · debian · 12
[libde265-examples]Desconocido
Paquete fuente: [libde265]
Detalles (2)
- 1.0.11-1+deb12u2 · amd64 · bookworm
  Afectada · Corregida: 1.0.11-1+deb12u3
  usn · libde265 · debian · bookworm; usn · libde265 · debian · 12
- 1.0.11-1+deb12u2 · arm64 · bookworm
  Afectada · Corregida: 1.0.11-1+deb12u3
  usn · libde265 · debian · bookworm; usn · libde265 · debian · 12

[Debian 13 (Trixie)]

[libde265-0]Desconocido
Paquete fuente: [libde265]
Detalles (5)
- 1.0.15-1+b3 · amd64 · trixie
  Afectada · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+b3 · arm64 · trixie
  Afectada · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u1 · amd64 · trixie-security · Historical version
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u1 · arm64 · trixie-security
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u2 · amd64 · trixie-security
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
[libde265-dev]Desconocido
Paquete fuente: [libde265]
Detalles (5)
- 1.0.15-1+b3 · amd64 · trixie
  Afectada · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+b3 · arm64 · trixie
  Afectada · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u1 · amd64 · trixie-security · Historical version
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u1 · arm64 · trixie-security
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u2 · amd64 · trixie-security
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
[libde265-examples]Desconocido
Paquete fuente: [libde265]
Detalles (5)
- 1.0.15-1+b3 · amd64 · trixie
  Afectada · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+b3 · arm64 · trixie
  Afectada · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u1 · amd64 · trixie-security · Historical version
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u1 · arm64 · trixie-security
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13
- 1.0.15-1+deb13u2 · amd64 · trixie-security
  Corregida · Corregida: 1.0.15-1+deb13u1
  usn · libde265 · debian · 13

Observado: Oct 27, 2026, 7:13:13 AM UTC

Referencias

[Debian Security Tracker] · [FIRST EPSS] · [National Vulnerability Database (NVD)] · [OSV Package Vulnerability Database] · [Ubuntu Security Notices (USN)]