What’s Vulnerable › Vulnerabilities
CVE-2026-58096: ppp(8): missing length validation in LcpDecodeConfig()
- Severity: high (CVSS 8.8 v3.1)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 0.6% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2026-08-26 · updated 2026-09-10
- Weakness: CWE-130
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.
Affected products
- FreeBSD: 14.4-p1, 14.4-p2, 14.4-p3, 14.4-p4, 14.4-p5, 14.4-p6 (+16)
References
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