PT-2026-145912
CVE-2026-127101
·
Published
2026-11-12
·
Updated
2026-11-12
Description by
CVSS 3.1
5.5
MediumMetricsAV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
A flaw was found in SSSD's PAM responder. A local attacker can send an authentication request without first negotiating the client protocol version. The responder dereferences a NULL protocol-version pointer and crashes, disrupting SSSD-backed authentication. Repeated crafted requests can sustain the denial of service.
Found an issue in the description? Have something to add? Feel free to write us 👾