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Package "socat"

Name: socat

Description:

multipurpose relay for bidirectional data transfer
Latest version: 1.8.1.1-1ubuntu0.1
Release: resolute (26.04)
Level: updates
Repository: main
Homepage: http://www.dest-unreach.org/socat/

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32-bit deb package
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APT INSTALL

Other versions of "socat" in Resolute

Repository Area Version
base main 1.8.1.1-1
security main 1.8.1.1-1ubuntu0.1

Changelog

Version: 1.8.1.1-1ubuntu0.1 2026-07-06 19:07:40 UTC

  socat (1.8.1.1-1ubuntu0.1) resolute-security; urgency=medium

  * SECURITY UPDATE: heap overflow via SOCKS5 proxy server
    - debian/patches/CVE-2026-56123-1.patch: fixed SOCKS5 client buffer
      overflow in test.sh, xio-socks5.h.
    - debian/patches/CVE-2026-56123-2.patch: corrected test for non-bash in
      test.sh.
    - CVE-2026-56123

 -- Marc Deslauriers <email address hidden> Fri, 03 Jul 2026 08:41:00 -0400
CVE-2026-56123 socat versions 1.8.0.0 through 1.8.1.1 contain a heap-based buffer overflow vulnerability that allows a malicious SOCKS5 proxy server to overwrite ad


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