{"id":"CVE-2026-58096","state":"PUBLISHED","title":"ppp(8): missing length validation in LcpDecodeConfig()","description":"LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum required by RFC 1717.  Undersized options would trigger an out-of-bounds write.\n\nA malicious PPP peer can exploit CVE-2026-58095 and CVE-2026-58096 to crash ppp(8) or potentially execute arbitrary code as root.","publishedAt":"2026-08-26T05:28:09.813Z","updatedAt":"2026-08-27T16:15:37.022Z","severity":{"score":8.8,"label":"High","version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","source":"CISA-ADP"},"assigner":"freebsd","products":["FreeBSD FreeBSD"],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","defaultStatus":"unknown","versions":[{"version":"15.1-RELEASE","status":"affected","lessThan":"p3","versionType":"release"},{"version":"15.0-RELEASE","status":"affected","lessThan":"p13","versionType":"release"},{"version":"14.4-RELEASE","status":"affected","lessThan":"p9","versionType":"release"}],"modules":["ppp"]}],"references":["https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc"],"weaknesses":["CWE-130","CWE-787"],"ingestedAt":"2026-10-29T20:12:24.861Z","source":{"repository":"CVEProject/cvelistV5","path":"cves/2026/58xxx/CVE-2026-58096.json","commit":"556c9d3a8cd17e218bb8e452ba7cd619a384ff47"},"raw":{"dataType":"CVE_RECORD","dataVersion":"5.2","cveMetadata":{"cveId":"CVE-2026-58096","state":"PUBLISHED","datePublished":"2026-08-26T05:28:09.813Z","dateUpdated":"2026-08-27T16:15:37.022Z","assignerShortName":"freebsd","assignerOrgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateReserved":"2026-06-29T01:40:17.499Z"},"containers":{"cna":{"title":"ppp(8): missing length validation in LcpDecodeConfig()","descriptions":[{"lang":"en","value":"LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum required by RFC 1717.  Undersized options would trigger an out-of-bounds write.\n\nA malicious PPP peer can exploit CVE-2026-58095 and CVE-2026-58096 to crash ppp(8) or potentially execute arbitrary code as root."}],"affected":[{"vendor":"FreeBSD","product":"FreeBSD","defaultStatus":"unknown","versions":[{"version":"15.1-RELEASE","status":"affected","lessThan":"p3","versionType":"release"},{"version":"15.0-RELEASE","status":"affected","lessThan":"p13","versionType":"release"},{"version":"14.4-RELEASE","status":"affected","lessThan":"p9","versionType":"release"}],"modules":["ppp"]}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc","tags":["vendor-advisory"]}],"problemTypes":[{"descriptions":[{"cweId":"CWE-130","description":"CWE-130: Improper Handling of Length Parameter Inconsistency","lang":"en","type":"CWE"},{"cweId":"CWE-787","description":"CWE-787: Out-of-bounds Write","lang":"en","type":"CWE"}]}],"providerMetadata":{"shortName":"freebsd","orgId":"63664ac6-956c-4cba-a5d0-f46076e16109","dateUpdated":"2026-08-26T05:28:09.813Z"},"datePublic":"2026-08-25T19:45:00.000Z","credits":[{"lang":"en","type":"finder","value":"Robert Morris"},{"lang":"en","type":"finder","value":"Décio Brandão (0xDBJ)"},{"lang":"en","type":"finder","value":"Joshua Rogers"},{"lang":"en","type":"finder","value":"Reo Shiseki"}],"x_generator":{"engine":"cvelib 1.8.0"}},"adp":[{"title":"CISA ADP Vulnrichment","metrics":[{"cvssV3_1":{"scope":"UNCHANGED","version":"3.1","baseScore":8.8,"attackVector":"NETWORK","baseSeverity":"HIGH","vectorString":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","integrityImpact":"HIGH","userInteraction":"NONE","attackComplexity":"LOW","availabilityImpact":"HIGH","privilegesRequired":"LOW","confidentialityImpact":"HIGH"}},{"other":{"type":"ssvc","content":{"timestamp":"2026-08-27T03:57:12.075696Z","id":"CVE-2026-58096","options":[{"Exploitation":"none"},{"Automatable":"no"},{"Technical Impact":"total"}],"role":"CISA Coordinator","version":"2.0.3"}}}],"providerMetadata":{"shortName":"CISA-ADP","orgId":"134c704f-9b21-4f2e-91b3-4a467353bcc0","dateUpdated":"2026-08-27T16:15:37.022Z"}}]}}}