CVE catalog

CVE-2021-33464

yasm affected and fixed versions

[CVE catalog]

An issue was discovered in yasm version 1.3.0. There is a heap-buffer-overflow in inc_fopen() in modules/preprocs/nasm/nasm-pp.c.

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
0.33% · 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.

Distribution / releasePackageVersionStatusSource
Debiantrixieyasm1.3.0-7FixedDistribution-reported fixed boundary[CVE-2021-33464]
Debiansidyasm1.3.0-7FixedDistribution-reported fixed boundary[CVE-2021-33464]
Debiansidyasm1.3.0-8Fixed[CVE-2021-33464]
Debianforkyyasm1.3.0-7FixedDistribution-reported fixed boundary[CVE-2021-33464]
Debianforkyyasm1.3.0-8Fixed[CVE-2021-33464]

Showing 5 fix observations. All 8 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
UnknownRelease not reportedyasmNot reportedUnknownSource applicability is not establishedProvider not reported
DebianbookwormyasmNot reportedAffectedDistribution reports no fix[CVE-2021-33464]
Debianbookwormyasm1.3.0-4Affected[CVE-2021-33464]
Debianforkyyasm1.3.0-7FixedDistribution-reported fixed boundary[CVE-2021-33464]
Debianforkyyasm1.3.0-8Fixed[CVE-2021-33464]
Debiansidyasm1.3.0-7FixedDistribution-reported fixed boundary[CVE-2021-33464]
Debiansidyasm1.3.0-8Fixed[CVE-2021-33464]
Debiantrixieyasm1.3.0-7FixedDistribution-reported fixed boundary[CVE-2021-33464]
Original provider fields
{
  "package_releases": [
    {
      "name": "yasm",
      "status": "fixed",
      "release": "sid",
      "version": "1.3.0-8"
    },
    {
      "name": "yasm",
      "status": "fixed",
      "release": "forky",
      "version": "1.3.0-8"
    },
    {
      "name": "yasm",
      "status": "fixed",
      "release": "trixie",
      "version": "1.3.0-7"
    },
    {
      "name": "yasm",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1.3.0-4"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1016353,
      "name": "yasm",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "not yet assigned",
      "fixed_version": "1.3.0-7"
    },
    {
      "bug": 1016353,
      "name": "yasm",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "not yet assigned",
      "fixed_version": "1.3.0-7"
    },
    {
      "bug": 1016353,
      "name": "yasm",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "not yet assigned",
      "fixed_version": "1.3.0-7"
    },
    {
      "bug": 1016353,
      "name": "yasm",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "not yet assigned",
      "fixed_version": ""
    }
  ],
  "distribution_packages": [
    {
      "name": "yasm",
      "fixed_version": "not yet fixed",
      "applicability_unknown": true
    }
  ]
}

[Debian bug #1016353]

Publisher notes

[bookworm] yasm: Minor issue

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

  • [yasm]Unknown
    Details (2)

    • 1.3.0-4 · amd64 · bookworm

      Affected

      dsa · yasm · debian · bookworm; dsa · yasm · debian · 12

    • 1.3.0-4 · arm64 · bookworm

      Affected

      dsa · yasm · debian · bookworm; dsa · yasm · debian · 12

[Debian 13 (Trixie)]

  • [yasm]Unknown
    Details (2)

    • 1.3.0-7 · amd64 · trixie

      Fixed · Fixed: 1.3.0-7

      dsa · yasm · debian · 13

    • 1.3.0-7 · arm64 · trixie

      Fixed · Fixed: 1.3.0-7

      dsa · yasm · debian · 13

Observed:

References

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