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Vulnerability record · CVE-2012-4527 · published 21 November 2012

CVE-2012-4527: Mcrypt memory buffer overflow vulnerability

MMcrypt · Mcrypt

Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name. NOTE: it is not clear whether this is a vulnerability.

6.8 CVSS 2.0 Medium EPSS 7.7% · top 5.6% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
7.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
18References
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in mcrypt 2.6.8 and earlier allows user-assisted remote attackers to cause a denial of service (crash) and possibly execute arbitrary code via a long file name. NOTE: it is not clear whether this is a vulnerability.

AV:N/AC:M/Au:N/C:P/I:P/A:P

Affected products

1 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091173.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091206.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091377.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00003.html
http://www.openwall.com/lists/oss-security/2012/10/18/12
http://www.openwall.com/lists/oss-security/2012/10/18/9
http://www.openwall.com/lists/oss-security/2012/11/20/1
http://www.securityfocus.com/bid/56114
https://bugzilla.redhat.com/show_bug.cgi?id=867790
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091173.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091206.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-November/091377.html
http://lists.opensuse.org/opensuse-updates/2012-11/msg00003.html
http://www.openwall.com/lists/oss-security/2012/10/18/12
http://www.openwall.com/lists/oss-security/2012/10/18/9
http://www.openwall.com/lists/oss-security/2012/11/20/1
http://www.securityfocus.com/bid/56114
https://bugzilla.redhat.com/show_bug.cgi?id=867790

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

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Source: NIST National Vulnerability Database (record CVE-2012-4527), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.