CVE-2026-75883
mediumThe code in pppd that formats a response to a PEAP Request packet in peap_response() copies an entire TLS record of up to 16384 bytes into the fixed global buf…
A flaw was found in pppd. A remote attacker could exploit a buffer overflow vulnerability in the PEAP response handling. By sending a specially crafted PEAP Request packet, an attacker could cause the pppd process to corrupt global static data, leading to incorrect behavior or a system crash.
CVSS
6.8
6.8 (CVSS v3.1)
CVSS:3.1/AV:A/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:N Severity source: NVD CVSS v3.1 (secalert@redhat.com)
Timeline (UTC)
Published: 2026-09-18 16:17
Modified: 2026-11-04 13:17
NVD status: Awaiting Analysis
Last synced 12 hours ago
Verified against the source API 2026-11-04 13:33 UTC
Exploitation
Not listed in CISA KEV (as of last catalog sync)
Absence from KEV does not mean a CVE is not exploited. Exploitation status: unknown (no authoritative evidence in our sources).
Affected products
Not reported by the source (unknown — not "none").
Weakness classification (CWE)
Source: NVD / CISA. “NVD-CWE-Other” and “NVD-CWE-noinfo” mean NVD could not assign a specific weakness.
Mitigation & advisories
No vendor advisory or patch reference tagged by NVD. Check the references below.
References
- https://access.redhat.com/security/cve/CVE-2026-75883 secalert@redhat.com
- https://bugzilla.redhat.com/show_bug.cgi?id=2538346 secalert@redhat.com
- https://github.com/ppp-project/ppp/security/advisories/GHSA-rwr9-4vx8-vc35 secalert@redhat.com
Data sources
NVD CVE API 2.0 — fetched 2026-11-04 13:33 UTC · record ↗