CVE-2010-0166
The gfxTextRun::SanitizeGlyphRuns function in gfx/thebes/src/gfxFont.cpp in the browser engine in Mozilla Firefox 3.6 before 3.6.2 on Mac OS X, when the Core Text API is used, does not properly perform certain deletions, which allows remote attackers to cause a denial of service (memory corruption and application crash) and possibly execute arbitrary code via an HTML document containing invisible Unicode characters, as demonstrated by the U+FEFF, U+FFF9, U+FFFA, and U+FFFB characters.
Key facts
- CVSS score
- 5.1 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:H/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 6.9% (94th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2010-0197)
- Published
- March 25, 2010
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2010-0197 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- apple / mac os x
- mozilla / firefox
References
- http://www.mozilla.org/security/announce/2010/mfsa2010-11.html(Vendor Advisory)
- http://www.securityfocus.com/bid/38918
- http://www.securityfocus.com/bid/38943
- http://www.vupen.com/english/advisories/2010/0692
- https://bugzilla.mozilla.org/show_bug.cgi?id=538065
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A14182
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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