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CVE-2026-68744

📛 CVE Title

Sssd: sssd: nss responder uninitialized heap disclosure in initgroups reply

Description

A flaw was found in SSSD. The sss_nss_protocol_fill_initgr() function in the NSS responder pre-allocates reply space for all group entries but does not shrink the packet when groups are skipped, causing uninitialized heap bytes to be transmitted to the client. A local attacker can exploit this to disclose cached directory data and heap layout information from the sssd_nss process.

Overview

State
PUBLISHED
Assigner (CNA)
redhat
CVSS severity
LOW
CVSS score
CVSS 3.3 / 10 3.3 3.3 / 10
CVSS vector
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:L/I:N/A:N
Effective score
3.3 / 10 LOW source: CNA overview
CWE(s)
CWE-908
Reserved
2026-07-31
Published
2026-08-04 05:28 UTC
Last updated
2026-08-04 15:03 UTC
Source
https://raw.githubusercontent.com/CVEProject/cvelistV5/main/cves/2026/68xxx/CVE-2026-68744.json

Affected products (6)

VendorProductVersionsPlatforms
Red Hat Red Hat Enterprise Linux 10
Red Hat Red Hat Enterprise Linux 6
Red Hat Red Hat Enterprise Linux 7
Red Hat Red Hat Enterprise Linux 8
Red Hat Red Hat Enterprise Linux 9
Red Hat Red Hat OpenShift Container Platform 4

Vendor references (2)

References embedded in the original CVE record by the assigning CNA.

Web references (0)

DuckDuckGo results ranked by threat-intel / vendor advisory domains. Generated by the 🔎 Find references (web) button above — same flow as the Remediations search.

No web references attached yet.

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Raw JSON

The full cvelistV5 record. Download as CVE-2026-68744.json.

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