CVE-2012-4426
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted...
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
Exploit likelihood
What each source reports
NVD Score used
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
- Record
CVE-2012-4426- CVSS 2.0
- 6.8 Medium
AV:N/AC:M/Au:N/C:P/I:P/A:P - Weakness
- CWE-134
- Updated
- 2026-11-02
CVE List No score
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
- Record
CVE-2012-4426- Updated
- 2026-11-02
EUVDEUVD-2012-4361 No score
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
- Record
EUVD-2012-4361- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-jwwj-g6r2-3whj No score
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted...
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
- Record
GHSA-jwwj-g6r2-3whj- Weakness
- CWE-134
- Updated
- 2026-11-02
OSV No score
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
- Record
CVE-2012-4426- Updated
- 2026-11-02
OSVDEBIAN-CVE-2012-4426 No score
Multiple format string vulnerabilities in mcrypt 2.6.8 and earlier might allow user-assisted remote attackers to cause a denial of service (crash) or possibly execute arbitrary code via vectors involving (1) errors.c or (2) mcrypt.c.
- Record
DEBIAN-CVE-2012-4426- Updated
- 2026-11-02
Affected products
Affected packages
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD, OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2012-4426 is a medium vulnerability (CVSS 6.8) in Mcrypt, published November 21, 2012. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 4.70%, the 91st percentile. Fixed in mcrypt 2.6.8-1.1.
References
openwall.com/lists/oss-security/2012/09/10/5
securityfocus.com/bid/55557
nvd.nist.gov/vuln/detail/CVE-2012-4426
github.com/advisories/GHSA-jwwj-g6r2-3whj
security-tracker.debian.org/tracker/CVE-2012-4426