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Vulnerability record · CVE-2012-0219 · published 21 June 2012

CVE-2012-0219: Dest-unreach socat memory buffer overflow vulnerability

DDest Unreach · Socat

Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and 2.0.0-b1 through 2.0.0-b4 allows local users to execute arbitrary code via the READLINE address.

6.2 CVSS 2.0 Medium EPSS 0.46% · top 63.0% CWE-119 · Memory buffer overflow
6.2CVSS 2.0 base score
0.46%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
24References
16 Jun 2026Last modified by NVD

Description

Heap-based buffer overflow in the xioscan_readline function in xio-readline.c in socat 1.4.0.0 through 1.7.2.0 and 2.0.0-b1 through 2.0.0-b4 allows local users to execute arbitrary code via the READLINE address.

AV:L/AC:H/Au:N/C:C/I:C/A:C

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-June/081619.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081882.html
http://secunia.com/advisories/49105 Vendor Advisory
http://secunia.com/advisories/49746
http://security.gentoo.org/glsa/glsa-201208-01.xml
http://www.dest-unreach.org/socat/contrib/socat-secadv3.html PatchVendor Advisory
http://www.lwn.net/Articles/504742/
http://www.mandriva.com/security/advisories?name=MDVSA-2013:169
http://www.openwall.com/lists/oss-security/2012/05/14/2
http://www.osvdb.org/81969
http://www.securityfocus.com/bid/53510
http://www.securitytracker.com/id?1027064
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081619.html
http://lists.fedoraproject.org/pipermail/package-announce/2012-June/081882.html
http://secunia.com/advisories/49105 Vendor Advisory
http://secunia.com/advisories/49746
http://security.gentoo.org/glsa/glsa-201208-01.xml
http://www.dest-unreach.org/socat/contrib/socat-secadv3.html PatchVendor Advisory
http://www.lwn.net/Articles/504742/
http://www.mandriva.com/security/advisories?name=MDVSA-2013:169
http://www.openwall.com/lists/oss-security/2012/05/14/2
http://www.osvdb.org/81969
http://www.securityfocus.com/bid/53510
http://www.securitytracker.com/id?1027064

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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-2012-0219), CISA KEV, FIRST EPSS (scores of 2026-09-29). This page is refreshed as NVD updates the record.