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CVE-2009-3372
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via a…
- 9.3HighCVSS base score
- 4.0%Exploitation in 30 daysEPSS · top 9.4% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- NonePublic exploitsnone known yet
Description
Mozilla Firefox before 3.0.15 and 3.5.x before 3.5.4, and SeaMonkey before 2.0, allows remote attackers to execute arbitrary code via a crafted regular expression in a Proxy Auto-configuration (PAC) file.
Timeline
ID reserved
By mitre
- 35 days later
· 35 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)
- 4.0% · top 9.4% of all CVEs (10 Nov 2026)
Loading the EPSS history…
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
7
- oval:org.mitre.oval:def:10977 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- 272909 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=500644 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.mozilla.org/security/announce/2009/mfsa2009-55.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- oval:org.mitre.oval:def:6347 (opens in a new tab)vdb-entrysignaturex_refsource_OVALx_transferred
- ADV-2009-3334 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- MDVSA-2009:294 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_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-2009-3354 (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-2009-3372)Record last updated .