Vulnerability · Published Aug 26, 2026 · Assigned by freebsd

CVE-2026-58097ppp(8): missing length validation in mp_SetEnddisc()

High 7.8

In plain English

A high-severity heap buffer overflow in FreeBSD from FreeBSD. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.2% (higher than 6% of all known vulnerabilities).

Severity (CVSS 3.1)7.8High

Exploit odds (30 days)0.2%top 94.1% of all CVEs

Exploited in the wildNo reportsCISA SSVC: none

Attack toolingNoneno public tooling known

Official description

mp_SetEnddisc() copied a user-supplied PSN endpoint value without length validation, allowing a buffer overflow via the ppp(8) command interface. A local user with access to the ppp(8) command interface can crash ppp(8) or potentially execute arbitrary code as root.

Affected products (as reported)

Vendor	Product	Versions
FreeBSD	FreeBSD	15.1-RELEASE – before p315.0-RELEASE – before p1314.4-RELEASE – before p9

Weakness: CWE-130, CWE-122 · Vector: CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

References

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