socat vulnerabilities
Summary
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 overwrite arbitrary files. This issue only affected Ubuntu 24.04 LTS. (CVE-2024-54661) Affected Ubuntu releases: 26.04, 24.04. CVEs: CVE-2024-54661, CVE-2026-56123.
- Ubuntu 26.04
- Ubuntu 24.04
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
Mitigation checklist
- Apply available updates: `sudo apt update && sudo apt upgrade` (a standard system update installs the fix).
Official advisory · medium-confidence parse· fetched 2 hours ago·verify at source
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