CVE-2012-4409
MEDIUM · CVSS 6.8EPSS 15.1%EU EUVD
Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to execute arbitrary code via an encrypted file with a crafted header containing long salt data that is not properly handled during decryption.
Key facts
- CVSS score
- 6.8 (v2.0)
- Severity
- MEDIUM
- CVSS vector
AV:N/AC:M/Au:N/C:P/I:P/A:P- Weakness (CWE)
- CWE-119
- EPSS score
- 15.1% (97th percentile)
- In CISA KEV
- No
- In EU EUVD
- Yes (EUVD-2012-4346)
- Published
- November 21, 2012
- NVD last modified
- June 16, 2026
- Status
- Modified
EU Vulnerability Database (EUVD)
This vulnerability is also tracked by ENISA as EUVD-2012-4346 in the EU Vulnerability Database. Last updated in EUVD on August 6, 2024.
View on the EU Vulnerability DatabaseAffected products
- mcrypt / mcrypt
- mcrypt / mcrypt
- mcrypt / mcrypt
- mcrypt / mcrypt
- mcrypt / mcrypt
References
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/086519.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/087542.html
- http://lists.fedoraproject.org/pipermail/package-announce/2012-September/088281.html
- http://packetstormsecurity.org/files/116268/mcrypt-2.6.8-Buffer-Overflow-Proof-Of-Concept.html(Exploit)
- http://secunia.com/advisories/50507(Vendor Advisory)
- http://secunia.com/advisories/51010
- http://www.openwall.com/lists/oss-security/2012/09/06/4
- http://www.securitytracker.com/id?1027532
- https://bugzilla.redhat.com/show_bug.cgi?id=855029
Last updated September 17, 2026 · Source: NVD, CISA KEV, FIRST.org EPSS
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