CVE-2010-0421

Severity: medium (CVSS 4.3 v2.0)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.4% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2010-03-18 · updated 2026-06-16
Weakness: CWE-119

Description

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.

Affected products

Gnome Pango: through 1.27

References

http://ftp.gnome.org/pub/GNOME/sources/pango/1.27/pango-1.27.1.tar.bz2
http://lists.opensuse.org/opensuse-security-announce/2010-04/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2010-05/msg00002.html
http://lists.opensuse.org/opensuse-security-announce/2010-06/msg00001.html
http://secunia.com/advisories/39041
http://securitytracker.com/id?1023711
http://www.debian.org/security/2010/dsa-2019
http://www.mandriva.com/security/advisories?name=MDVSA-2010:121
http://www.redhat.com/support/errata/RHSA-2010-0140.html
http://www.securityfocus.com/bid/38760
http://www.vupen.com/english/advisories/2010/0627
http://www.vupen.com/english/advisories/2010/0661

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