Description
mp_Enddisc() used incorrect length calculations when formatting endpoint discriminator addresses for display, allowing a received endpoint option to overflow a global result buffer. A malicious PPP peer can crash ppp(8) or potentially execute arbitrary code as root.
Affected products
freebsd: freebsd
References1
- security.freebsd.org/advisories/FreeBSD-SA-26:60.ppp.asc Vendor Advisory
Metrics
- CVSS 3.1
-
8.8
HIGH
Score source: CNA
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H - EPSS — exploit probability
- 1% percentile: 49 · as of 9 November 2026
- CWE
- CWE-122
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