CVE-2026-58096

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.

Score

CVSS 3.1 8.8 High

Status

Analyzed - secteam@freebsd.org

Published

2026-08-26

Last modified

2026-08-27

Weaknesses

CWE-130, CWE-787

Affected products

• Freebsd (Freebsd)

References

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