CVE-2012-4426
CVE-2012-4426 is a medium-severity vulnerability in Mcrypt with a CVSS 2.0 base score of 6.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low. The underlying weakness is classified as CWE-134.
Key facts
- Severity: Medium (CVSS 2.0 base score 6.8)
- EPSS exploit prediction: 5% (91st percentile)
- Actively exploited: Not listed in CISA KEV
- Weakness: CWE-134
- Affected product: Mcrypt
- Published:
- Last modified:
Description
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.
Frequently asked questions
- What is CVE-2012-4426?
- 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.
- How severe is CVE-2012-4426?
- CVE-2012-4426 has a CVSS 2.0 base score of 6.8, rated medium severity.
- Is CVE-2012-4426 being actively exploited?
- It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 5% (91st percentile), an estimate of the probability of exploitation in the next 30 days.
- What products are affected by CVE-2012-4426?
- CVE-2012-4426 primarily affects Mcrypt. In total, 5 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
- How do I fix CVE-2012-4426?
- Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround.
- When was CVE-2012-4426 published?
- CVE-2012-4426 was published on 2012-11-21 and last updated on 2026-06-16.
References
- http://www.openwall.com/lists/oss-security/2012/09/06/8
- http://www.openwall.com/lists/oss-security/2012/09/06/9
- http://www.openwall.com/lists/oss-security/2012/09/10/5
- http://www.openwall.com/lists/oss-security/2012/09/13/22
- http://www.securityfocus.com/bid/55557
Affected products (5)
- cpe:2.3:a:mcrypt:mcrypt:*:*:*:*:*:*:*:*
- cpe:2.3:a:mcrypt:mcrypt:2.6.4:*:*:*:*:*:*:*
- cpe:2.3:a:mcrypt:mcrypt:2.6.5:*:*:*:*:*:*:*
- cpe:2.3:a:mcrypt:mcrypt:2.6.6:*:*:*:*:*:*:*
- cpe:2.3:a:mcrypt:mcrypt:2.6.7:*:*:*:*:*:*:*
More vulnerabilities in Mcrypt
- CVE-2012-4527 — Medium (CVSS 6.8): Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of…
- CVE-2012-4409 — Medium (CVSS 6.8): Stack-based buffer overflow in the check_file_head function in extra.c in mcrypt 2.6.8 and earlier allows user-assisted…
Other CWE-134 vulnerabilities
- CVE-2012-1851 — Critical (CVSS 10.0): Format string vulnerability in the Print Spooler service in Microsoft Windows XP SP2 and SP3, Windows Server 2003 SP2,…
- CVE-2012-0242 — Critical (CVSS 10.0): Format string vulnerability in Advantech/BroadWin WebAccess before 7.0 allows remote attackers to execute arbitrary…
- CVE-2011-2475 — Critical (CVSS 10.0): Format string vulnerability in ECTrace.dll in the iMailGateway service in the Internet Mail Gateway in OneBridge Server…
- CVE-2011-1568 — Critical (CVSS 10.0): Format string vulnerability in the logText function in shmemmgr9.dll in IGSSdataServer.exe 9.00.00.11074, and…
- CVE-2010-4235 — Critical (CVSS 10.0): Format string vulnerability in RealNetworks Helix Server 12.x, 13.x, and 14.x before 14.2, and Helix Mobile Server…
- CVE-2011-0270 — Critical (CVSS 10.0): Format string vulnerability in nnmRptConfig.exe in HP OpenView Network Node Manager (OV NNM) 7.51 and 7.53 allows…