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CVE-2012-1939
jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which…
High9.3EPSS 3.1%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
jsinfer.cpp in Mozilla Firefox ESR 10.x before 10.0.5 and Thunderbird ESR 10.x before 10.0.5 does not properly determine data types, which allows remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via crafted JavaScript code.
Timeline
ID reserved
By mitre
- 2 months later
· 2 months later
Published
- 12 years later
· 12 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)
- 3.1% · top 12% of all CVEs (8 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 (7)
- https://bugzilla.mozilla.org/show_bug.cgi?id=748613 (opens in a new tab)x_refsource_CONFIRMx_transferred
- MDVSA-2012:088 (opens in a new tab)vendor-advisoryx_refsource_MANDRIVAx_transferred
- DSA-2499 (opens in a new tab)vendor-advisoryx_refsource_DEBIANx_transferred
- RHSA-2012:0710 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- http://www.mozilla.org/security/announce/2012/mfsa2012-34.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- SUSE-SU-2012:0746 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- RHSA-2012:0715 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_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://cveledger.app/cve/CVE-2012-1939)Record last updated .