VULNERABILITY INTELLIGENCE

CVE-2026-58096

CVSS score9.8 CRITICAL
EPSS probability0.60%
CISA KEVNot currently listed
Published2026-08-26
Last modified2026-09-10
CVSS vectorCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

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.

Weakness classification

  • CWE-130: Improper Handling of Length Parameter Inconsistency
  • CWE-787: Out-of-bounds Write

Primary references