CVE catalog

CVE-2023-26966

tiff affected and fixed versions

[CVE catalog]

libtiff 4.5.0 is vulnerable to Buffer Overflow in uv_encode() when libtiff reads a corrupted little-endian TIFF file and specifies the output to be big-endian.

Severity
Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published
Source
[NVD] · [CVE record]
EPSS
0.42% · Oct 27, 2026

Projects and upstream resources

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": "tiff",
      "status": "fixed",
      "release": "sid",
      "version": "4.7.2-1"
    },
    {
      "name": "tiff",
      "status": "fixed",
      "release": "forky",
      "version": "4.7.2-1"
    },
    {
      "name": "tiff",
      "status": "fixed",
      "release": "trixie",
      "version": "4.7.0-3+deb13u3"
    },
    {
      "name": "tiff",
      "status": "fixed",
      "release": "trixie-security",
      "version": "4.7.0-3+deb13u3"
    },
    {
      "name": "tiff",
      "status": "fixed",
      "release": "bookworm",
      "version": "4.5.0-6+deb12u4"
    },
    {
      "name": "tiff",
      "status": "fixed",
      "release": "bookworm-security",
      "version": "4.5.0-6+deb12u4"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "tiff",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "4.5.1~rc3-1"
    },
    {
      "bug": null,
      "name": "tiff",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "4.5.1~rc3-1"
    },
    {
      "bug": null,
      "name": "tiff",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "4.5.1~rc3-1"
    },
    {
      "bug": null,
      "name": "tiff",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "4.5.0-6+deb12u2"
    }
  ],
  "distribution_packages": [
    {
      "name": "tiff",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.0.9-5ubuntu0.10+esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "4.0.8-5",
        "4.0.8-6",
        "4.0.9-1",
        "4.0.9-2",
        "4.0.9-3",
        "4.0.9-4",
        "4.0.9-4ubuntu1",
        "4.0.9-5",
        "4.0.9-5ubuntu0.1",
        "4.0.9-5ubuntu0.2",
        "4.0.9-5ubuntu0.3",
        "4.0.9-5ubuntu0.4",
        "4.0.9-5ubuntu0.5",
        "4.0.9-5ubuntu0.6",
        "4.0.9-5ubuntu0.7",
        "4.0.9-5ubuntu0.8",
        "4.0.9-5ubuntu0.9",
        "4.0.9-5ubuntu0.10"
      ],
      "ecosystem": "deb",
      "fixed_version": "4.0.9-5ubuntu0.10+esm1",
      "provider_record_id": "UBUNTU-CVE-2023-26966"
    },
    {
      "name": "tiff",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.1.0+git191117-2ubuntu0.20.04.9"
            }
          ]
        }
      ],
      "release": "20.04",
      "versions": [
        "4.0.10+git191003-1",
        "4.1.0+git191117-1",
        "4.1.0+git191117-2",
        "4.1.0+git191117-2build1",
        "4.1.0+git191117-2ubuntu0.20.04.1",
        "4.1.0+git191117-2ubuntu0.20.04.2",
        "4.1.0+git191117-2ubuntu0.20.04.3",
        "4.1.0+git191117-2ubuntu0.20.04.4",
        "4.1.0+git191117-2ubuntu0.20.04.5",
        "4.1.0+git191117-2ubuntu0.20.04.6",
        "4.1.0+git191117-2ubuntu0.20.04.7",
        "4.1.0+git191117-2ubuntu0.20.04.8"
      ],
      "ecosystem": "deb",
      "fixed_version": "4.1.0+git191117-2ubuntu0.20.04.9",
      "provider_record_id": "UBUNTU-CVE-2023-26966"
    },
    {
      "name": "tiff",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "4.3.0-6ubuntu0.5"
            }
          ]
        }
      ],
      "release": "22.04",
      "versions": [
        "4.3.0-1",
        "4.3.0-2",
        "4.3.0-3",
        "4.3.0-3build1",
        "4.3.0-4",
        "4.3.0-5",
        "4.3.0-6",
        "4.3.0-6ubuntu0.1",
        "4.3.0-6ubuntu0.2",
        "4.3.0-6ubuntu0.3",
        "4.3.0-6ubuntu0.4"
      ],
      "ecosystem": "deb",
      "fixed_version": "4.3.0-6ubuntu0.5",
      "provider_record_id": "UBUNTU-CVE-2023-26966"
    }
  ]
}

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [libtiff5-dev]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · amd64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · amd64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

  • [libtiff6]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · amd64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · amd64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

  • [libtiff-dev]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · amd64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · amd64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

  • [libtiff-doc]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · all · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · all · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · all · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · all · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

  • [libtiff-opengl]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · amd64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · amd64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

  • [libtiff-tools]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · amd64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · amd64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

  • [libtiffxx6]Unknown

    Source package: [tiff]

    Details (4)

    • 4.5.0-6+deb12u4 · amd64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · amd64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

    • 4.5.0-6+deb12u4 · arm64 · bookworm-security

      Fixed · Fixed: 4.5.0-6+deb12u2

      dsa · tiff · debian · bookworm; dsa · tiff · debian · 12

[Debian 13 (Trixie)]

  • [libtiff5-dev]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

  • [libtiff6]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

  • [libtiff-dev]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

  • [libtiff-doc]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · all · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · all · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · all · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · all · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

  • [libtiff-opengl]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

  • [libtiff-tools]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

  • [libtiffxx6]Unknown

    Source package: [tiff]

    Details (4)

    • 4.7.0-3+deb13u2 · amd64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u2 · arm64 · trixie

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · amd64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

    • 4.7.0-3+deb13u3 · arm64 · trixie-security

      Fixed · Fixed: 4.5.1~rc3-1

      dsa · tiff · debian · 13

Observed:

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]