Out-of-bounds Read Affecting libsss_nss_idmap-python package, versions *


Severity

Recommended
0.0
medium
0
10

Based on CentOS security rating.

Threat Intelligence

EPSS
0.17% (6th percentile)

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  • Snyk IDSNYK-CENTOS7-LIBSSSNSSIDMAPPYTHON-20009767
  • published20 Sept 2026
  • disclosed14 Sept 2026

Introduced: 14 Sep 2026

CVE-2026-90994  (opens in a new tab)
CWE-125  (opens in a new tab)

How to fix?

There is no fixed version for Centos:7 libsss_nss_idmap-python.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libsss_nss_idmap-python package and not the libsss_nss_idmap-python package as distributed by Centos. See How to fix? for Centos:7 relevant fixed versions and status.

A flaw was found in sssd, specifically within the PAM (Pluggable Authentication Modules) responder's protocol v1 parser, pam_parse_in_data(). A local client with access to the PAM responder's UNIX socket can exploit this by negotiating protocol v1 and sending an empty or truncated PAM request body. This can trigger an out-of-bounds read, potentially causing the PAM responder to terminate or restart, leading to a local denial of service.

CVSS Base Scores

version 3.1