CVE-2026-68743

5.5 MEDIUM

Published 2026-08-04 · Updated 2026-08-06

AI analysis for this CVE has not been generated yet. Raw NVD data is shown below.

NVD description

A flaw was found in SSSD. The extract_authtok_v1() function in the PAM responder does not validate the auth_token_length field against the remaining buffer size before processing. A local attacker can exploit this via a crafted protocol v1 request to the PAM responder socket, causing an out-of-bounds read and process crash, resulting in a denial of service.

CVSS vector

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

Weaknesses

CWE-125

References

https://access.redhat.com/security/cve/CVE-2026-68743
https://bugzilla.redhat.com/show_bug.cgi?id=2509760

Data: NVD (public domain). Analysis: local $0 model. Defensive use only.