CVE-2026-58096
Discovered by AISLEPUBLISHEDCWE-130CWE-787
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 Base Scores
CVSS v3.1(Primary)
9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Affected Products
| Vendor | Product | Version | Status |
|---|---|---|---|
| FreeBSD | FreeBSD | 15.1-RELEASE | affected |
| FreeBSD | FreeBSD | 15.0-RELEASE | affected |
| FreeBSD | FreeBSD | 14.4-RELEASE | affected |
Credits
- Robert Morris(finder)
- Décio Brandão (0xDBJ)(finder)
- Joshua Rogers(finder)
- Reo Shiseki(finder)

