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Vulnerability record · CVE-2010-2799 · published 14 September 2010

CVE-2010-2799: Dest-unreach socat memory buffer overflow vulnerability

DDest Unreach · Socat

Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through 2.0.0-b3, when bidirectional data relay is enabled, allows context-dependent attackers to execute arbitrary code via long command-line arguments.

6.8 CVSS 2.0 Medium EPSS 2.8% · top 14.4% CWE-119 · Memory buffer overflow
6.8CVSS 2.0 base score
2.8%EPSS exploitation probability, 30 days
NoNot in CISA KEV
1Affected product versions listed by NVD
13References
16 Jun 2026Last modified by NVD

Description

Stack-based buffer overflow in the nestlex function in nestlex.c in Socat 1.5.0.0 through 1.7.1.2 and 2.0.0-b1 through 2.0.0-b3, when bidirectional data relay is enabled, allows context-dependent attackers to execute arbitrary code via long command-line arguments.

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://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591443
http://bugs.gentoo.org/show_bug.cgi?id=330785
http://www.debian.org/security/2010/dsa-2090
http://www.dest-unreach.org/socat/contrib/socat-secadv2.html Vendor Advisory
http://www.dest-unreach.org/socat/download/socat-1.7.1.3.patch Patch
https://bugzilla.redhat.com/show_bug.cgi?id=620426
http://bugs.debian.org/cgi-bin/bugreport.cgi?bug=591443
http://bugs.gentoo.org/show_bug.cgi?id=330785
http://www.debian.org/security/2010/dsa-2090
http://www.dest-unreach.org/socat/contrib/socat-secadv2.html Vendor Advisory
http://www.dest-unreach.org/socat/download/socat-1.7.1.3.patch Patch
https://bugzilla.redhat.com/show_bug.cgi?id=620426
https://github.com/msmania/poodim/commit/6340d5d2c81e55e61522c4b40a6cdd5c39738cc6

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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-2010-2799), CISA KEV, FIRST EPSS (scores of 2026-09-27). This page is refreshed as NVD updates the record.