CVE-2014-1564
Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 do not properly initialize memory for GIF…
- 4.3MediumCVSS base score
- 5.5%Exploitation in 30 daysEPSS · top 7.2% of all CVEs
- NoKnown exploitednot in CISA's KEV catalog
- 1Public exploitsMetasploit, Nuclei and Exploit-DB
Description
Mozilla Firefox before 32.0, Firefox ESR 31.x before 31.1, and Thunderbird 31.x before 31.1 do not properly initialize memory for GIF rendering, which allows remote attackers to obtain sensitive information from process memory via crafted web script that interacts with a CANVAS element associated with a malformed GIF image.
Public exploit
An exploit or proof of concept is public: anyone can try it against an unpatched system. The public collections list an Exploit-DB entry for it.
Show the exploits1
Exploit-DB1 entry
- Mozilla Firefox 9.0.1 / Thunderbird 3.1.20 - Information Disclosure (Exploit-DB entry) (opens in a new tab)
EDB-ID 39295remote, multiplepublished 2 Sept 2014Verified
Modules, templates and exploits as listed by the Metasploit Framework (BSD-3-Clause), ProjectDiscovery's Nuclei templates (MIT) and the Exploit Database (GPLv2), read once a day. Where the data comes from
Timeline
ID reserved
By mozilla
- 8 months later
· 8 months later
Published
- 10 years later
· 10 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 | Medium4.3 | AV:N/AC:M/Au:N/C:P/I:N/A:N |
- EPSS (exploitation in 30 days)
- 5.5% · top 7.2% of all CVEs (9 Nov 2026)
The list uses the assigner's score when there is one, then CISA's, then NVD's: Medium 4.3.
Affected products
n/a
- affected n/a
References
16
- openSUSE-SU-2015:0138 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 20140904 Uninit memory disclosure via truncated images in Firefox (opens in a new tab)mailing-listx_refsource_BUGTRAQx_transferred
- http://packetstormsecurity.com/files/128132/Mozilla-Firefox-Secret-Leak.html (opens in a new tab)x_refsource_MISCx_transferred
- 20140903 Uninit memory disclosure via truncated images in Firefox (opens in a new tab)mailing-listx_refsource_FULLDISCx_transferred
- GLSA-201504-01 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinapr2016-2952098.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1030794 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 69525 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- openSUSE-SU-2015:1266 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- http://www.mozilla.org/security/announce/2014/mfsa2014-69.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- openSUSE-SU-2014:1098 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 60148 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- openSUSE-SU-2014:1099 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
- 61114 (opens in a new tab)third-party-advisoryx_refsource_SECUNIAx_transferred
- https://bugzilla.mozilla.org/show_bug.cgi?id=1045977 (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1030793 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_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-2014-1640 (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-2014-1564)Record last updated .