Rocky Linux 8 [CIQ] Security Update: socat / socat-debuginfo / socat-debugsource (crlsa-2025_11042)

The Rocky Linux 8 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202511042 advisory. socat: arbitrary file overwrite via predictable /tmp directory CVE-2024-54661 Tenable has extracted the preceding description block directly from the CIQ security...

Rocky Linux 9 [CIQ] Security Update: socat / socat-debuginfo / socat-debugsource (crlsa-2025_10353)

The Rocky Linux 9 host has packages installed that are affected by a vulnerability as referenced in the CIQ crlsa-202510353 advisory. socat: arbitrary file overwrite via predictable /tmp directory CVE-2024-54661 Tenable has extracted the preceding description block directly from the CIQ security...

AlmaLinux 9.2 [TuxCare] Security Update: socat (ALMALINUX9.2:CLSA-2026:1782140243)

The AlmaLinux 9.2 host has a package installed that is affected by a vulnerability as referenced in the TuxCare ALMALINUX9.2:CLSA-2026:1782140243 advisory. Note that Nessus has not tested for this issue but has instead relied only on the application's self-reported version number. %NASLMINLEVEL...

CVE-2026-56123

A flaw was found in socat. A remote attacker, acting as a malicious SOCKS5 proxy server, can exploit a heap-based buffer overflow. This vulnerability, caused by a sign-extension flaw in the DOMAINNAME reply parser, allows the attacker to write arbitrary data to memory. This could lead to arbitrar...

ROOT-OS-DEBIAN-13-CVE-2026-56123 CVE-2026-56123 in socat - Patched by Root

Root has patched CVE-2026-56123 in the socat package for Root:Debian:13. Multiple fixed versions available...

MGASA-2026-0290 Updated socat package fixes a security vulnerability

The updated package fixes a security vulnerability: Heap Buffer Overflow via SOCKS5 Reply Parser. CVE-2026-56123...

Updated socat package fixes a security vulnerability

The updated package fixes a security vulnerability: Heap Buffer Overflow via SOCKS5 Reply Parser. CVE-2026-56123...

OESA-2026-2943 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...

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...

Ubuntu 24.04 LTS / 26.04 LTS : socat vulnerabilities (USN-8511-1)

The remote Ubuntu 24.04 LTS / 26.04 LTS host has a package installed that is affected by multiple vulnerabilities as referenced in the USN-8511-1 advisory. It was discovered that socat incorrectly handled the SOCKS5 proxy server reply parser. A remote attacker could possibly use this issue to...

USN-8511-1: socat vulnerabilities

It was discovered that socat incorrectly handled the SOCKS5 proxy server reply parser. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2026-56123 It was discovered that socat incorrectly handled a sample script. A local attacker could possibly use this issue to...

USN-8511-1 socat vulnerabilities

It was discovered that socat incorrectly handled the SOCKS5 proxy server reply parser. A remote attacker could possibly use this issue to execute arbitrary code. CVE-2026-56123 It was discovered that socat incorrectly handled a sample script. A local attacker could possibly use this issue to...

socat-1.8.1.3-1.1 on GA media (moderate)

socat-1.8.1.3-1.1 on GA media Announcement ID: openSUSE-SU-2026:11151-1 Rating: moderate Cross-References: CVE-2026-56123 CVSS scores: CVE-2026-56123 SUSE : 8.1 CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H Affected Products: openSUSE Tumbleweed An update that solves one vulnerability can now be...

OPENSUSE-SU-2026:11151-1 socat-1.8.1.3-1.1 on GA media

These are all security issues fixed in the socat-1.8.1.3-1.1 package on the GA media of openSUSE Tumbleweed...

Linux Distros Unpatched Vulnerability : CVE-2026-56123

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - 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...

SUSE 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...

ALPINE-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...

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...

DEBIAN-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...

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...