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…
- 4.3MediumCVSS base score
- 2.4%Exploitation in 30 daysEPSS · top 15% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
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.
Timeline
ID reserved
By redhat
- 50 days later
· 50 days later
Published
- 14 years later
· 14 years later
Record updated
Changes after publication (a new score, a public exploit, EPSS crossing 1, 10 or 50 %, leaving KEV) are kept since November 2026; earlier ones are not known.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 2.0 | Medium4.3 | AV:N/AC:M/Au:N/C:N/I:N/A:P |
- EPSS (exploitation in 30 days)
- 2.4% · top 15% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
References15
- MDVSA-2010:121 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- ADV-2010-1552 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=555831 (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:9417 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- http://ftp.gnome.org/pub/GNOME/sources/pango/1.27/pango-1.27.1.tar.bz2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 39041 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- DSA-2019 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2010:0140 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- SUSE-SR:2010:013 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- ADV-2010-0661 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- SUSE-SR:2010:009 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- SUSE-SR:2010:012 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 38760 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- ADV-2010-0627 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 1023711 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- EUVD EUVD-2010-0452 (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Badge for a README or a ticket
[](https://cveledger.app/cve/CVE-2010-0421)Record last updated .