{"id":"CVE-2026-58096","title":"LcpDecodeConfig() did not validate the length of received endpoint discriminator options against the minimum required by RFC 1717","summary":"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…","severity":"high","cvss":8.8,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","cwe":["CWE-130","CWE-787"],"vendor":"freebsd","product":"freebsd","affected":["freebsd = 14.4","freebsd = 15.0","freebsd = 15.1"],"published":"2026-08-26","updated":"2026-09-10","sourceUpdated":"2026-09-10T15:39:04.077","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-58096","references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc","label":"secteam@freebsd.org"}],"tags":["nvd"],"epss":0.00563,"epssPercentile":0.45344,"ingestedAt":"2026-09-10T15:53:17.038Z","slug":"CVE-2026-58096","body":"## Overview\n\nLcpDecodeConfig() 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.\n\n## Affected\n\n- `freebsd = 14.4`\n- `freebsd = 15.0`\n- `freebsd = 15.1`\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.","depth":"twilight","depthScore":49,"depthScoreParts":{"impact":48.4,"likelihood":0.1,"exploitation":0,"ransomware":0},"changes":[]}