CVE-2010-0421
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.
Key facts
- CVSS score
- 4.3 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:N/I:N/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 2.4% (84th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-0452)
- Published
- March 18, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-0452 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- gnome / pango
References
- http://ftp.gnome.org/pub/GNOME/sources/pango/1.27/pango-1.27.1.tar.bz2(Patch)
- 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
- http://www.vupen.com/english/advisories/2010/1552
- https://bugzilla.redhat.com/show_bug.cgi?id=555831
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A9417
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
Query CVEs from your AI assistant
The CVE/NVD Explorer brain answers CVE questions directly inside Claude, ChatGPT, or any MCP assistant — always up to date, no setup. Add it once and stop pasting advisories into chat.
Add the CVE brain