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,…
- 9.3HighCVSS base score
- 4.2%Exploitation in 30 daysEPSS · top 9.0% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
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.
Timeline
ID reserved
By redhat
- 25 days later
· 25 days later
Published
- 15 years later
· 15 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 | High9.3 | AV:N/AC:M/Au:N/C:C/I:C/A:C |
- EPSS (exploitation in 30 days)
- 4.2% · top 9.0% of all CVEs (11 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: High 9.3.
Affected products
n/a
- affected n/a
References
References28
- http://www.blackhat.com/presentations/bh-usa-09/MARLINSPIKE/BHUSA09-Marlinspike-DefeatSSL-SLIDES.pdf (opens in a new tab)x_refsource_MISCx_transferred
- 36139 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36102 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36157 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- TA10-103B (opens in a new tab)third-party-advisoryx_refsource_CERTx_transferred
- oval:org.mitre.oval:def:11174 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- MDVSA-2009:197 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- oval:org.mitre.oval:def:8658 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- SUSE-SA:2009:048 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- MDVSA-2009:216 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- RHSA-2009:1185 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 39428 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36434 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 36088 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://www.mozilla.org/security/announce/2009/mfsa2009-43.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 35891 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- RHSA-2009:1207 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- 1021699 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- USN-810-1 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- http://www.oracle.com/technetwork/topics/security/cpuapr2010-099504.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- USN-810-2 (opens in a new tab)vendor-advisoryx_refsource_UBUNTUx_transferred
- 1021030 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 36125 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 37098 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- 273910 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- https://bugzilla.redhat.com/show_bug.cgi?id=512912 (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2009-2085 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- DSA-1874 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_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-2009-2400 (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-2009-2404)Record last updated .