socat

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Exploited (KEV)0None in CISA KEV

CVSS critical1CVSS 9.0–10.0

CVSS high0CVSS 7.0–8.9

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socat records in CISA KEV

No socat vulnerabilities are listed in CISA KEV.

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Socat 1 record LOW

Records

2 records

TI-2026-40502 CVE-2026-56123 · GHSA-6r8c-w5mj-43hv

socat 1.8.0.0 - 1.8.1.1 Heap Buffer Overflow via SOCKS5 Reply Parser

MEDIUM 41

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 DOMAINNAM…

CVSS 4.0CRITICAL 9.2 Network No auth No interaction EPSS 0.00314 Published 2026-06-25 Fixed in 1.8.1.2 CWE-122

TI-2004-01360 CVE-2004-1484 · GHSA-v3f9-7x42-4vg2

Format string vulnerability in the _msg function in error.c in socat 1.4.0.3 and earlier…

LOW 33

Format string vulnerability in the _msg function in error.c in socat 1.4.0.3 and earlier, when used as an HTTP proxy client and run with the -ly option, allows remote attackers or local users to execute arbitrary code vi…

CVSS 2.0MEDIUM 5.0 Network No auth Interaction — EPSS 0.07293 Published 2005-02-13 No fix listed

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