CVE-2010-0421: Gnome Pango

Medium severity, CVSS 4.3. EPSS: 2.4% chance of exploitation in the next 30 days.

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: up to and including 1.27

Published 2010-03-18. Last modified 2026-06-16.