CVE catalog

CVE-2025-50951

fontforge affected and fixed versions

[CVE catalog]

FontForge v20230101 was discovered to contain a memory leak via the utf7toutf8_copy function at /fontforge/sfd.c.

Severity: Medium · CVSS 5.3CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
Published: Oct 23, 2025, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.26% · Oct 27, 2026

Projects and upstream resources

[fontforge][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.

Version impact has not been established. The original provider fields are retained below.

Provider details and historical evidence

Original provider fields

{
  "package_releases": [
    {
      "name": "fontforge",
      "status": "vulnerable",
      "release": "sid",
      "version": "1:20251009+git20260808~dfsg-3"
    },
    {
      "name": "fontforge",
      "status": "vulnerable",
      "release": "forky",
      "version": "1:20251009+git20260808~dfsg-3"
    },
    {
      "name": "fontforge",
      "status": "vulnerable",
      "release": "trixie",
      "version": "1:20230101~dfsg-4"
    },
    {
      "name": "fontforge",
      "status": "vulnerable",
      "release": "bookworm",
      "version": "1:20230101~dfsg-1.1~deb12u1"
    },
    {
      "name": "fontforge",
      "status": "vulnerable",
      "release": "bookworm-security",
      "version": "1:20230101~dfsg-1.1~deb12u1"
    }
  ],
  "fixed_versions": [
    {
      "bug": 1118749,
      "name": "fontforge",
      "type": "source",
      "origin": null,
      "release": "sid",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 1118749,
      "name": "fontforge",
      "type": "source",
      "origin": null,
      "release": "forky",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 1118749,
      "name": "fontforge",
      "type": "source",
      "origin": null,
      "release": "trixie",
      "urgency": "unimportant",
      "fixed_version": ""
    },
    {
      "bug": 1118749,
      "name": "fontforge",
      "type": "source",
      "origin": null,
      "release": "bookworm",
      "urgency": "unimportant",
      "fixed_version": ""
    }
  ],
  "distribution_packages": []
}

[Debian bug #1118749]

OpenFactory catalog packages

Matching against OpenFactory catalog package versions is in progress.

[Debian 12 (Bookworm)]

[fontforge]Unknown
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
[fontforge-common]Unknown
Source package: [fontforge]
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
[fontforge-doc]Unknown
Source package: [fontforge]
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · all · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
[fontforge-extras]Unknown
Source package: [fontforge]
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
[fontforge-nox]Unknown
Source package: [fontforge]
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
[libfontforge4]Unknown
Source package: [fontforge]
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
[python3-fontforge]Unknown
Source package: [fontforge]
Details (4)
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · amd64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12
- 1:20230101~dfsg-1.1~deb12u1 · arm64 · bookworm-security
  Affected
  dsa · fontforge · debian · bookworm; dsa · fontforge · debian · 12

[Debian 13 (Trixie)]

[fontforge]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4+b1 · amd64 · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4+b1 · arm64 · trixie
  Affected
  dsa · fontforge · debian · 13
[fontforge-common]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4 · all · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4 · all · trixie
  Affected
  dsa · fontforge · debian · 13
[fontforge-doc]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4 · all · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4 · all · trixie
  Affected
  dsa · fontforge · debian · 13
[fontforge-extras]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4+b1 · amd64 · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4+b1 · arm64 · trixie
  Affected
  dsa · fontforge · debian · 13
[fontforge-nox]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4+b1 · amd64 · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4+b1 · arm64 · trixie
  Affected
  dsa · fontforge · debian · 13
[libfontforge4]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4+b1 · amd64 · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4+b1 · arm64 · trixie
  Affected
  dsa · fontforge · debian · 13
[python3-fontforge]Unknown
Source package: [fontforge]
Details (2)
- 1:20230101~dfsg-4+b1 · amd64 · trixie
  Affected
  dsa · fontforge · debian · 13
- 1:20230101~dfsg-4+b1 · arm64 · trixie
  Affected
  dsa · fontforge · debian · 13

Observed: Oct 24, 2026, 5:10:58 PM UTC

References

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