CVE-2026-58096

CRITICAL CVSS 9.8 View on NVD ↗

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. A malicious PPP peer can exploit CVE-2026-58095 and CVE-2026-58096 to crash ppp(8) or potentially execute arbitrary code as root.

CVSS Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

https://security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc

Published: Aug 26, 2026 06:16 UTC Modified: Aug 27, 2026 04:16 UTC