{"id":"DEBIAN-CVE-2010-0421","details":"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.","modified":"2026-09-18T06:47:24.176722225Z","published":"2010-03-18T17:30:00.463Z","upstream":["CVE-2010-0421"],"references":[{"type":"ADVISORY","url":"https://security-tracker.debian.org/tracker/CVE-2010-0421"}],"affected":[{"package":{"name":"pango1.0","ecosystem":"Debian:12","purl":"pkg:deb/debian/pango1.0?arch=source&distro=bookworm"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0421.json"}},{"package":{"name":"pango1.0","ecosystem":"Debian:13","purl":"pkg:deb/debian/pango1.0?arch=source&distro=trixie"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0421.json"}},{"package":{"name":"pango1.0","ecosystem":"Debian:14","purl":"pkg:deb/debian/pango1.0?arch=source&distro=forky"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.26.2-1"}]}],"ecosystem_specific":{"urgency":"not yet assigned"},"database_specific":{"source":"https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2010-0421.json"}}],"schema_version":"1.9.0"}