Catálogo de CVE

CVE-2021-34121

htmldoc affected and fixed versions

[Catálogo de CVE]

An Out of Bounds flaw was discovered in htmodoc 1.9.12 in function parse_tree() in toc.cxx, this possibly leads to memory layout information leaking in the data. This might be used in a chain of vulnerability in order to reach code execution.

Gravedad
Low
Published
Source
[NVD] · [CVE record]
EPSS
0.34% · 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
Debiantrixiehtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debiantrixiehtmldoc1.9.20-1Fixed[CVE-2021-34121]
Debiansidhtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debiansidhtmldoc1.9.24-1Fixed[CVE-2021-34121]
Ubuntuprohtmldoc1.9.7-1ubuntu0.3+esm1Fixed[UBUNTU-CVE-2021-34121]
Debianforkyhtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debianforkyhtmldoc1.9.24-1Fixed[CVE-2021-34121]
Debianbookwormhtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debianbookwormhtmldoc1.9.16-1Fixed[CVE-2021-34121]

Showing 9 fix observations. All 14 observations, including unknown and conflicting reports, are available below.

Provider details and historical evidence
Distribution / releasePackageVersionStatusSource
Debianbookwormhtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debianbookwormhtmldoc1.9.16-1Fixed[CVE-2021-34121]
Debianforkyhtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debianforkyhtmldoc1.9.24-1Fixed[CVE-2021-34121]
Debiansidhtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debiansidhtmldoc1.9.24-1Fixed[CVE-2021-34121]
Debiantrixiehtmldoc1.9.13-1FixedDistribution-reported fixed boundary[CVE-2021-34121]
Debiantrixiehtmldoc1.9.20-1Fixed[CVE-2021-34121]
Ubuntuprohtmldoc1.9.3-1Affected[UBUNTU-CVE-2021-34121]
Ubuntuprohtmldoc1.9.7-1Affected[UBUNTU-CVE-2021-34121]
Ubuntuprohtmldoc1.9.7-1build1Affected[UBUNTU-CVE-2021-34121]
Ubuntuprohtmldoc1.9.7-1ubuntu0.2Affected[UBUNTU-CVE-2021-34121]
Ubuntuprohtmldoc1.9.7-1ubuntu0.3Affected[UBUNTU-CVE-2021-34121]
Ubuntuprohtmldoc1.9.7-1ubuntu0.3+esm1Fixed[UBUNTU-CVE-2021-34121]
Original provider fields
{
  "package_releases": [
    {
      "name": "htmldoc",
      "status": "fixed",
      "release": "sid",
      "version": "1.9.24-1"
    },
    {
      "name": "htmldoc",
      "status": "fixed",
      "release": "forky",
      "version": "1.9.24-1"
    },
    {
      "name": "htmldoc",
      "status": "fixed",
      "release": "trixie",
      "version": "1.9.20-1"
    },
    {
      "name": "htmldoc",
      "status": "fixed",
      "release": "bookworm",
      "version": "1.9.16-1"
    }
  ],
  "fixed_versions": [
    {
      "bug": null,
      "name": "htmldoc",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": "1.9.13-1"
    },
    {
      "bug": null,
      "name": "htmldoc",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": "1.9.13-1"
    },
    {
      "bug": null,
      "name": "htmldoc",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": "1.9.13-1"
    },
    {
      "bug": null,
      "name": "htmldoc",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": "1.9.13-1"
    }
  ],
  "distribution_packages": [
    {
      "name": "htmldoc",
      "distro": "ubuntu",
      "ranges": [
        {
          "type": "ECOSYSTEM",
          "events": [
            {
              "introduced": "0"
            },
            {
              "fixed": "1.9.7-1ubuntu0.3+esm1"
            }
          ]
        }
      ],
      "release": "pro",
      "versions": [
        "1.9.3-1",
        "1.9.7-1",
        "1.9.7-1build1",
        "1.9.7-1ubuntu0.2",
        "1.9.7-1ubuntu0.3"
      ],
      "ecosystem": "deb",
      "provider_url": "https://osv.dev/vulnerability/UBUNTU-CVE-2021-34121",
      "fixed_version": "1.9.7-1ubuntu0.3+esm1",
      "provider_source": "pypi",
      "provider_record_id": "UBUNTU-CVE-2021-34121",
      "provider_updated_at": "2026-02-04T02:56:02.355831Z"
    }
  ]
}

OpenFactory catalog packages

La asociación de paquetes está en curso.

[Debian 12 (Bookworm)]

  • [htmldoc]Desconocido
    Detalles (2)

    • 1.9.16-1 · amd64 · bookworm

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · bookworm; dsa · htmldoc · debian · 12

    • 1.9.16-1 · arm64 · bookworm

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · bookworm; dsa · htmldoc · debian · 12

  • [htmldoc-common]Desconocido

    Paquete fuente: [htmldoc]

    Detalles (2)

    • 1.9.16-1 · all · bookworm

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · bookworm; dsa · htmldoc · debian · 12

    • 1.9.16-1 · all · bookworm

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · bookworm; dsa · htmldoc · debian · 12

[Debian 13 (Trixie)]

  • [htmldoc]Desconocido
    Detalles (2)

    • 1.9.20-1 · amd64 · trixie

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · 13

    • 1.9.20-1 · arm64 · trixie

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · 13

  • [htmldoc-common]Desconocido

    Paquete fuente: [htmldoc]

    Detalles (2)

    • 1.9.20-1 · all · trixie

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · 13

    • 1.9.20-1 · all · trixie

      Corregida · Corregida: 1.9.13-1

      dsa · htmldoc · debian · 13

Observado:

Referencias

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