CVE-2010-0421: gnome pango

Vulnerability summary

CVE-2010-0421 is a medium (CVSS 4.3) vulnerability in gnome pango. EPSS estimates a 2.45% chance of exploitation in the next 30 days, higher than 84.1% of scored vulnerabilities.

Timeline

1. 18-03-2010
   PublishedVulnerability first disclosed.
2. 07-08-2024
   Last modifiedVulnerability information updated.

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.

• CWE-119Improper Restriction of Operations within the Bounds of a Memory BufferThe product performs operations on a memory buffer, but it reads from or writes to a memory location outside the buffer's intended boundary. This may result in read or write operations on unexpected memory locations that could be linked to other variables, data structures, or internal program data.