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CVE-2010-0421

Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout...

4.3 MediumFix available

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.

Exploit likelihood

2.45%Down 0.2 points since Feb 4, 2022
90%50%10%1%

What each source reports

NVD Score used 4.3

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.

Record
CVE-2010-0421
CVSS 2.0
4.3 MediumAV:N/AC:M/Au:N/C:N/I:N/A:P
Weakness
CWE-119
Updated
2026-11-02
CVE List No score

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.

Record
CVE-2010-0421
Updated
2026-11-02
EUVDEUVD-2010-0452 No score

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.

Record
EUVD-2010-0452
Updated
2026-11-03
GitHub AdvisoriesGHSA-77cq-2r3w-6xhj No score

Array index error in the hb_ot_layout_build_glyph_classes function in pango/opentype/hb-ot-layout...

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.

Record
GHSA-77cq-2r3w-6xhj
Weakness
CWE-119
Updated
2026-11-02
OSV No score

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.

Record
CVE-2010-0421
Updated
2026-11-02
OSVDEBIAN-CVE-2010-0421 No score

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.

Record
DEBIAN-CVE-2010-0421
Updated
2026-11-02

Affected products

Affected packages

Affected packages
PackageAffectedFixed
pango1.0
Debian:12
 before 1.26.2-1
1.26.2-1
pango1.0
Debian:13
 before 1.26.2-1
1.26.2-1
pango1.0
Debian:14
 before 1.26.2-1
1.26.2-1
pango1.0
Debian:5.0
 before 1.20.5-5+lenny1, plus listed versions
1.20.5-31.20.5-3+lenny11.20.5-41.20.5-4+lenny11.20.5-5
1.20.5-5+lenny1
pango
Red Hat:enterprise_linux:3::as
 before 0:1.2.5-10
0:1.2.5-10
pango-debuginfo
Red Hat:enterprise_linux:3::as
 before 0:1.2.5-10
0:1.2.5-10
pango-devel
Red Hat:enterprise_linux:3::as
 before 0:1.2.5-10
0:1.2.5-10
pango
Red Hat:enterprise_linux:3::desktop
 before 0:1.2.5-10
0:1.2.5-10
pango-debuginfo
Red Hat:enterprise_linux:3::desktop
 before 0:1.2.5-10
0:1.2.5-10
pango-devel
Red Hat:enterprise_linux:3::desktop
 before 0:1.2.5-10
0:1.2.5-10
Show 38 moreShow less
Affected packages
PackageAffectedFixed
pango
Red Hat:enterprise_linux:3::es
 before 0:1.2.5-10
0:1.2.5-10
pango-debuginfo
Red Hat:enterprise_linux:3::es
 before 0:1.2.5-10
0:1.2.5-10
pango-devel
Red Hat:enterprise_linux:3::es
 before 0:1.2.5-10
0:1.2.5-10
pango
Red Hat:enterprise_linux:3::ws
 before 0:1.2.5-10
0:1.2.5-10
pango-debuginfo
Red Hat:enterprise_linux:3::ws
 before 0:1.2.5-10
0:1.2.5-10
pango-devel
Red Hat:enterprise_linux:3::ws
 before 0:1.2.5-10
0:1.2.5-10
evolution28-pango
Red Hat:enterprise_linux:4::as
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-devel
Red Hat:enterprise_linux:4::as
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
pango
Red Hat:enterprise_linux:4::as
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-debuginfo
Red Hat:enterprise_linux:4::as
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-devel
Red Hat:enterprise_linux:4::as
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
evolution28-pango
Red Hat:enterprise_linux:4::desktop
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
pango
Red Hat:enterprise_linux:4::desktop
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-debuginfo
Red Hat:enterprise_linux:4::desktop
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-devel
Red Hat:enterprise_linux:4::desktop
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
evolution28-pango
Red Hat:enterprise_linux:4::es
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-devel
Red Hat:enterprise_linux:4::es
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
pango
Red Hat:enterprise_linux:4::es
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-debuginfo
Red Hat:enterprise_linux:4::es
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-devel
Red Hat:enterprise_linux:4::es
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
evolution28-pango
Red Hat:enterprise_linux:4::ws
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
evolution28-pango-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.14.9-13.el4_8
0:1.14.9-13.el4_8
pango
Red Hat:enterprise_linux:4::ws
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-debuginfo
Red Hat:enterprise_linux:4::ws
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango-devel
Red Hat:enterprise_linux:4::ws
 before 0:1.6.0-16.el4_8
0:1.6.0-16.el4_8
pango
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango-debuginfo
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango-devel
Red Hat:enterprise_linux:5::client_workstation
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango
Red Hat:enterprise_linux:5::client
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango-debuginfo
Red Hat:enterprise_linux:5::client
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango
Red Hat:enterprise_linux:5::server
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango-debuginfo
Red Hat:enterprise_linux:5::server
 before 0:1.14.9-8.el5
0:1.14.9-8.el5
pango-devel
Red Hat:enterprise_linux:5::server
 before 0:1.14.9-8.el5
0:1.14.9-8.el5

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD, OSV

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2010-0421 is a medium vulnerability (CVSS 4.3) in Gnome Pango, published March 18, 2010. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 2.45%, the 84th percentile. Fixed in pango1.0 1.26.2-1.

References

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