CVE catalog

CVE-2010-0421

pango1.0: CVE-2010-0421

Severity: Medium
Published: Mar 15, 2010, 11:02:00 PM UTC
Source: [NVD] · [CVE record]
EPSS: 2.45% · Oct 25, 2026

Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout.cc in Pango before 1.27.1 allows context-dependent attackers to cause a denial of service (application crash) via a crafted font file, related to building a synthetic Glyph Definition (aka GDEF) table by using this font's charmap and the Unicode property database.

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	pango1.0	sid	`1.58.2-1`	fixed
Debian	pango1.0	forky	`1.58.2-1`	fixed
Debian	pango1.0	trixie	`1.56.3-1`	fixed
Debian	pango1.0	bookworm	`1.50.12+ds-1`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	pango1.0	source	sid	`1.26.2-1`	not yet assigned	Not reported	[574021]
Debian	pango1.0	source	forky	`1.26.2-1`	not yet assigned	Not reported	[574021]
Debian	pango1.0	source	trixie	`1.26.2-1`	not yet assigned	Not reported	[574021]
Debian	pango1.0	source	bookworm	`1.26.2-1`	not yet assigned	Not reported	[574021]

[Debian bug #574021]

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[gir1.2-pango-1.0]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpango-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpango1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpango1.0-dev]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpango1.0-doc]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · all · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · all · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpangocairo-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpangoft2-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[libpangoxft-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[pango1.0-tests]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
[pango1.0-tools]Fixed
Source package: [pango1.0]
Details (2)
- 1.50.12+ds-1 · amd64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12
- 1.50.12+ds-1 · arm64 · bookworm
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · bookworm; dsa · pango1.0 · debian · 12

[Debian 13 (Trixie)]

[gir1.2-pango-1.0]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[libpango-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[libpango1.0-dev]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[libpango1.0-doc]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · all · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · all · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[libpangocairo-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[libpangoft2-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[libpangoxft-1.0-0]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[pango1.0-tests]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
[pango1.0-tools]Fixed
Source package: [pango1.0]
Details (2)
- 1.56.3-1 · amd64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13
- 1.56.3-1 · arm64 · trixie
  Fixed · Fixed: 1.26.2-1
  dsa · pango1.0 · debian · 13

Observed: Oct 23, 2026, 5:04:49 PM UTC

References

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