CVE-2012-4426

NONECVSS 0.0Trending — 3 sources updated this week

0.0

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.

CVSS v3: —
EG Score: 0.0(none)
EPSS: 94.6%
KEV: Not listed

Published

November 21, 2012

Last Modified

April 29, 2026

References (10)

secalert@redhathttp://www.openwall.com/lists/oss-security/2012/09/06/8
secalert@redhathttp://www.openwall.com/lists/oss-security/2012/09/06/9
secalert@redhathttp://www.openwall.com/lists/oss-security/2012/09/10/5
secalert@redhathttp://www.openwall.com/lists/oss-security/2012/09/13/22
secalert@redhathttp://www.securityfocus.com/bid/55557
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/09/06/8
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/09/06/9
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/09/10/5
af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2012/09/13/22
af854a3a-2127-422b-91ae-364da2661108http://www.securityfocus.com/bid/55557

Weakness Classification(1)

MITRE Common Weakness Enumeration — the root-cause categories this CVE belongs to.

CWE-134Use of Externally-Controlled Format String

Data Freshness Timeline

(refreshed 12× in last 7d / 20× in last 30d)

Every time one of our enrichment pipelines (NVD, MITRE cvelistV5, EPSS, CISA KEV, GHSA, OSV, vendor advisories) ran against this CVE. Most recent first.

2026-06-02 20:10 UTCepss_batch
2026-06-02 20:10 UTCepss_batch
2026-06-01 13:49 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 22:28 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-31 00:14 UTCepss_batch
2026-05-29 13:41 UTCepss_batch
2026-05-29 01:47 UTCEG score recompute
2026-05-29 01:47 UTCGHSA enrichment
2026-05-28 13:42 UTCepss_batch
2026-05-28 13:42 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 13:38 UTCepss_batch
2026-05-27 01:43 UTCOSV refresh
2026-05-26 13:41 UTCepss_batch
2026-05-26 13:41 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch
2026-05-26 07:16 UTCepss_batch

Frequently asked(4)

What is CVE-2012-4426?

CVE-2012-4426 is a none vulnerability published on November 21, 2012. 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.

When was CVE-2012-4426 disclosed?

CVE-2012-4426 was first published in the National Vulnerability Database on November 21, 2012, with the most recent update on April 29, 2026. EchelonGraph re-ingests CVE updates from NVD on a 2-hour cycle, so this page reflects the latest published state.

Is CVE-2012-4426 actively exploited?

CVE-2012-4426 is not currently on CISA's Known Exploited Vulnerabilities catalog. FIRST EPSS estimates a 94.6% percentile likelihood of exploitation in the next 30 days — higher percentiles indicate greater predicted risk.

How do I remediate CVE-2012-4426?

Patch to the fixed version published by the affected vendor. Where vendor advisories exist for CVE-2012-4426, EchelonGraph cross-links them in the Vendor Advisories panel below — those typically contain the canonical remediation steps, fixed version numbers, and any vendor-specific mitigations.

Dependency Blast Radius

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CVE-2012-4426

📅 Published

🔄 Last Modified

🔗 References (10)

Weakness Classification(1)

Data Freshness Timeline

❓ Frequently asked(4)

Dependency Blast Radius

Is Your Infrastructure Affected by CVE-2012-4426?

🔗 Related CVEs(same CWE)

Same CWE

Published

Last Modified

References (10)

Frequently asked(4)

Related CVEs(same CWE)