Fedora 46 : socat (2026-3bb7b0bc5a)

The remote Fedora 46 host has a package installed that is affected by a vulnerability as referenced in the FEDORA-2026-3bb7b0bc5a advisory. Automatic update for socat-1.8.1.3-1.fc46. Changelog Tue Oct 6 2026 Martin Osvald - 1.8.1.3-1 - Update to 1.8.1.3 rhbz2492929 - Fix for CVE-2026-56123...

OESA-2026-2942 socat security update

Socat is a relay for bidirectional data transfer between two independent data channels. Each of these data channels may be a file, pipe, device serial line etc. or a pseudo terminal, a socket UNIX, IP4, IP6 - raw, UDP, TCP, an SSL socket, proxy CONNECT connection, a file descriptor stdin etc., th...

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 adjacent heap memory by exploiting a sign-extension flaw in the DOMAINNAME reply parser. During connection setup, the domain name length byte is read...