{"id":"CVE-2026-58096","aliases":["EUVD-2026-66247","GHSA-92ww-f582-cp72"],"status":"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.","severity":{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp","from":"cve"},"epss":{"day":"2026-11-11","score":0.00604,"percentile":0.49343,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-130","CWE-787"],"published":"2026-08-26T05:28:09Z","modified":"2026-09-10T15:39:04Z","products":[{"vendor":"freebsd","product":"freebsd"}],"references":[{"url":"https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc","tags":["vendor-advisory","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-58096"},{"url":"https://github.com/advisories/GHSA-92ww-f582-cp72"}],"sources":{"cve":[{"id":"CVE-2026-58096","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.","status":"published","published":"2026-08-26T05:28:09.813Z","modified":"2026-08-27T16:15:37.022Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"adp"}],"cwes":["CWE-130","CWE-787"],"updated_at":"2026-11-02T13:47:28.691429Z"}],"euvd":[{"id":"EUVD-2026-66247","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.","status":"published","published":"2026-08-26T05:28:09Z","modified":"2026-08-27T16:15:37Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"updated_at":"2026-11-02T18:01:27.663452Z"}],"ghsa":[{"id":"GHSA-92ww-f582-cp72","title":"LcpDecodeConfig() did not validate the length of received endpoint discriminator options against...","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.","status":"published","published":"2026-08-26T18:31:53Z","modified":"2026-08-26T18:32:02Z","cvss":[{"version":"3.1","score":9.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","level":"critical"}],"cwes":["CWE-130"],"updated_at":"2026-11-02T15:10:59.944342Z"}],"nvd":[{"id":"CVE-2026-58096","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.","status":"published","published":"2026-08-26T06:16:26.577Z","modified":"2026-09-10T15:39:04.077Z","cvss":[{"version":"3.1","score":8.8,"vector":"CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"secondary"}],"cwes":["CWE-130","CWE-787"],"updated_at":"2026-11-02T14:12:41.66469Z"}]}}