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CVE-2009-2477
js/src/jstracer.cpp in the Just-in-time (JIT) JavaScript compiler (aka TraceMonkey) in Mozilla Firefox 3.5 before 3.5.1 allows remote…
High9.3EPSS 42.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
js/src/jstracer.cpp in the Just-in-time (JIT) JavaScript compiler (aka TraceMonkey) in Mozilla Firefox 3.5 before 3.5.1 allows remote attackers to execute arbitrary code via certain use of the escape function that triggers access to uninitialized memory locations, as originally demonstrated by a document containing P and FONT elements.
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)
- 42.5% · top 1.3% of all CVEs (5 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.
Weakness
Affected products
n/a
- affected n/a
References (15)
- https://bugzilla.mozilla.org/show_bug.cgi?id=503286 (opens in a new tab)x_refsource_CONFIRMx_transferred
- VU#443060 (opens in a new tab)third-party-advisoryx_refsource_CERT-VNx_transferred
- FEDORA-2009-7898 (opens in a new tab)vendor-advisoryx_refsource_FEDORAx_transferred
- 40936 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://voices.washingtonpost.com/securityfix/2009/07/stopgap_fix_for_critical_firef.html (opens in a new tab)x_refsource_MISCx_transferred
- http://isc.sans.org/diary.html?storyid=6796 (opens in a new tab)x_refsource_MISCx_transferred
- 266148 (opens in a new tab)vendor-advisoryx_refsource_SUNALERTx_transferred
- 35660 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- 9181 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- 35798 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- http://blog.mozilla.com/security/2009/07/14/critical-javascript-vulnerability-in-firefox-35/ (opens in a new tab)x_refsource_CONFIRMx_transferred
- ADV-2009-1868 (opens in a new tab)vdb-entryx_refsource_VUPENx_transferred
- 9137 (opens in a new tab)exploitx_refsource_EXPLOIT-DBx_transferred
- http://www.h-online.com/security/First-Zero-Day-Exploit-for-Firefox-3-5--/news/113761 (opens in a new tab)x_refsource_MISCx_transferred
- http://www.mozilla.org/security/announce/2009/mfsa2009-41.html (opens in a new tab)x_refsource_CONFIRMx_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)
- 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://trackcve.app/cve/CVE-2009-2477)Record last updated .