{"affected":[{"defaultStatus":"unaffected","product":"netrek-client-cow","source":"CNA: VulnCheck","vendor":"quozl","versions":[{"lessThanOrEqual":"3.3.3","status":"affected","version":"0","versionType":"custom"}]}],"cveId":"CVE-2026-121968","cwes":["CWE-129"],"description":"Netrek-client-cow through 3.3.3 contains an out-of-bounds read vulnerability in short.c handleSMessage() that allows malicious servers to crash clients via an unchecked m_recpt index. Attackers controlling a Netrek server or intercepting the plaintext TCP connection can send SP_S_MESSAGE packets with m_recpt of 36 or more, reading past players[] and shipnos to deny service.","epss":null,"exploits":[],"kev":null,"metrics":[{"score":7.1,"severity":"high","source":"CNA: VulnCheck","vector":"CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:P/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N","version":"4.0"},{"score":6.5,"severity":"medium","source":"CNA: VulnCheck","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","version":"3.1"}],"modifiedAt":1793824606892,"publishedAt":1793824606892,"references":[{"source":"CNA: VulnCheck","tags":["patch"],"url":"https://github.com/quozl/netrek-client-cow/commit/fb322e74abee3b0b76a9c5a31df6aab5585d3127"},{"source":"CNA: VulnCheck","tags":["product"],"url":"https://github.com/quozl/netrek-client-cow"},{"source":"CNA: VulnCheck","tags":["technical-description"],"url":"https://github.com/quozl/netrek-client-cow/blob/3.3.3/short.c#L942-L943"},{"source":"CNA: VulnCheck","tags":["third-party-advisory"],"url":"https://www.vulncheck.com/advisories/netrek-client-cow-through-3.3.3-out-of-bounds-read-via-sp-s-message-packets"}],"remediation":[{"kind":"fix","source":"CNA: VulnCheck","text":"The reporting source identifies this reference as a patch. Check the advisory for affected versions and supported release branches.","url":"https://github.com/quozl/netrek-client-cow/commit/fb322e74abee3b0b76a9c5a31df6aab5585d3127"}],"revision":"06820722648738689ef3d6b2f004a87df83986a66e7c9fda5f962f4698b536a2","sources":[{"modifiedAt":1793824606892,"name":"CNA: VulnCheck","retrievedAt":1793826710101,"url":"https://www.cve.org/CVERecord?id=CVE-2026-121968"}],"ssvc":null,"status":"published","title":"Netrek-client-cow through 3.3.3 Out-of-Bounds Read via SP_S_MESSAGE Packets","updatedAt":1793826710101}