CVE catalog

CVE-2023-29416

bzip3 affected and fixed versions

[CVE catalog]

An issue was discovered in libbzip3.a in bzip3 before 1.3.0. A bz3_decode_block out-of-bounds write can occur with a crafted archive because bzip3 does not follow the required procedure for interacting with libsais.

Severity
Medium
Published
Source
[NVD] · [CVE record]
EPSS
0.90% · 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": "bzip3",
      "status": "fixed",
      "release": "sid",
      "version": "1.5.4-1"
    },
    {
      "name": "bzip3",
      "status": "fixed",
      "release": "forky",
      "version": "1.5.4-1"
    },
    {
      "name": "bzip3",
      "status": "fixed",
      "release": "trixie",
      "version": "1.5.1-1"
    },
    {
      "name": "bzip3",
      "status": "fixed",
      "release": "bookworm",
      "version": "1.2.2-2"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1034177,
      "name": "bzip3",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.2-2"
    },
    {
      "bug": 1034177,
      "name": "bzip3",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.2-2"
    },
    {
      "bug": 1034177,
      "name": "bzip3",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.2-2"
    },
    {
      "bug": 1034177,
      "name": "bzip3",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": "1.2.2-2"
    }
  ],
  "distribution_packages": [
    {
      "name": "bzip3",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            }
          ]
        }
      ],
      "release": "24.04",
      "versions": [
        "1.3.1-1",
        "1.3.2-1",
        "1.4.0-1"
      ],
      "ecosystem": "deb",
      "fixed_version": "",
      "provider_record_id": "UBUNTU-CVE-2023-29416"
    }
  ]
}

[Debian bug #1034177]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [bzip3]Unknown
    Details (2)

    • 1.2.2-2 · amd64 · bookworm

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · bookworm; dsa · bzip3 · debian · 12

    • 1.2.2-2 · arm64 · bookworm

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · bookworm; dsa · bzip3 · debian · 12

  • [libbzip3-0]Unknown

    Source package: [bzip3]

    Details (2)

    • 1.2.2-2 · amd64 · bookworm

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · bookworm; dsa · bzip3 · debian · 12

    • 1.2.2-2 · arm64 · bookworm

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · bookworm; dsa · bzip3 · debian · 12

  • [libbzip3-dev]Unknown

    Source package: [bzip3]

    Details (2)

    • 1.2.2-2 · amd64 · bookworm

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · bookworm; dsa · bzip3 · debian · 12

    • 1.2.2-2 · arm64 · bookworm

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · bookworm; dsa · bzip3 · debian · 12

[Debian 13 (Trixie)]

  • [bzip3]Unknown

    Source package: [bzip3]

    Details (2)

    • 1.5.1-1+b1 · amd64 · trixie

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · 13

    • 1.5.1-1+b1 · arm64 · trixie

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · 13

  • [libbzip3-1]Unknown

    Source package: [bzip3]

    Details (2)

    • 1.5.1-1+b1 · amd64 · trixie

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · 13

    • 1.5.1-1+b1 · arm64 · trixie

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · 13

  • [libbzip3-dev]Unknown

    Source package: [bzip3]

    Details (2)

    • 1.5.1-1+b1 · amd64 · trixie

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · 13

    • 1.5.1-1+b1 · arm64 · trixie

      Fixed · Fixed: 1.2.2-2

      dsa · bzip3 · debian · 13

Observed:

References

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