CVE-2009-2404
Heap-based buffer overflow in a regular-expression parser in Mozilla Network Security Services (NSS) before 3.12.3, as used in Firefox, Thunderbird, SeaMonkey, Evolution, Pidgin, and AOL Instant Messenger (AIM), allows remote SSL servers to cause a denial of service (application crash) or possibly execute arbitrary code via a long domain name in the subject's Common Name (CN) field of an X.509 certificate, related to the cert_TestHostName function.
Key facts
- CVSS score
- 9.3 (v2.0)
- Severity
- HIGH
- CVSS vector
AV:N/AC:M/Au:N/C:C/I:C/A:C- Weakness (CWE)
- CWE-119
- EPSS score
- 4.2% (91th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2009-2400)
- Published
- August 3, 2009
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2009-2400 in the EU Vulnerability Database. Last updated in EUVD on August 7, 2024.
View on the EU Vulnerability DatabaseAffected products
- aol / instant messenger
- gnome / evolution
- mozilla / firefox
- mozilla / network security services
- mozilla / seamonkey
- mozilla / thunderbird
- pidgin / pidgin
References
- http://rhn.redhat.com/errata/RHSA-2009-1185.html
- http://secunia.com/advisories/36088(Vendor Advisory)
- http://secunia.com/advisories/36102(Vendor Advisory)
- http://secunia.com/advisories/36125(Vendor Advisory)
- http://secunia.com/advisories/36139(Vendor Advisory)
- http://secunia.com/advisories/36157(Vendor Advisory)
- http://secunia.com/advisories/36434
- http://secunia.com/advisories/37098
- http://secunia.com/advisories/39428
- http://sunsolve.sun.com/search/document.do?assetkey=1-66-273910-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021030.1-1
- http://sunsolve.sun.com/search/document.do?assetkey=1-77-1021699.1-1
- http://www.blackhat.com/presentations/bh-usa-09/MARLINSPIKE/BHUSA09-Marlinspike-DefeatSSL-SLIDES.pdf
- http://www.debian.org/security/2009/dsa-1874
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:197
- http://www.mandriva.com/security/advisories?name=MDVSA-2009:216
- http://www.mozilla.org/security/announce/2009/mfsa2009-43.html(Patch, Vendor Advisory)
- http://www.novell.com/linux/security/advisories/2009_48_firefox.html
- http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html
- http://www.redhat.com/support/errata/RHSA-2009-1207.html
- http://www.securityfocus.com/bid/35891(Patch)
- http://www.ubuntu.com/usn/usn-810-1
- http://www.us-cert.gov/cas/techalerts/TA10-103B.html(US Government Resource)
- http://www.vupen.com/english/advisories/2009/2085(Patch, Vendor Advisory)
- https://bugzilla.redhat.com/show_bug.cgi?id=512912
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A11174
- https://oval.cisecurity.org/repository/search/definition/oval%3Aorg.mitre.oval%3Adef%3A8658
- https://usn.ubuntu.com/810-2/
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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