CVE-2026-104043

MEDIUMCVSS 5.5

Description

A flaw was found in SSSD. A local attacker with access to the Name Service Switch (NSS) responder UNIX socket can trigger an integer underflow by sending a specially crafted request with an undersized packet header. This issue causes an out-of-bounds memory read during packet parsing, crashing the responder process and resulting in a Denial of Service (DoS).

Timeline

Published:October 6th, 2026 2:17 AM

Last modified:November 5th, 2026 4:17 PM

CVSS Scoring

CVSS v3: 5.5 (MEDIUM)

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

Weaknesses (CWE)

CWE-125

References & Reports

Advisories, patches, and third-party reports

https://access.redhat.com/security/cve/CVE-2026-104043
https://bugzilla.redhat.com/show_bug.cgi?id=2478852

Source: NIST NVD · Data may lag official sources by up to one minute