PT-2025-25662 · Xfixes+6 · Xfixes+6

Julian Suleder + 1 · Published 2025-03-27 · Updated 2025-12-12 · CVE-2025-49177

Positive Technologies (AI Summary)

CVSS v3.1

6.1

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions The product name cannot be determined.

Description A flaw was found in the XFIXES extension. The XFixesSetClientDisconnectMode handler does not validate the request length, allowing a client to read unintended memory from previous requests.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

Information Disclosure

Weakness Enumeration

CWE-200

Related Identifiers

ALSA-2025:9304

AZL-64271

BDU:2025-11959

CVE-2025-49177

DSA-5947-1

MGASA-2025-0199

OPENSUSE-SU-2025:15310-1

OPENSUSE-SU-2025:15311-1

RHSA-2025:10258

RHSA-2025:9303

RHSA-2025:9304

RHSA-2025_9303

SUSE-SU-2025:01974-1

SUSE-SU-2025:01975-1

SUSE-SU-2025:01979-1

SUSE-SU-2025:01980-1

SUSE-SU-2025:01981-1

SUSE-SU-2025_01979-1

SUSE-SU-2025_01980-1

SUSE-SU-2025_01981-1

USN-7573-1

Affected Products

Astra Linux

Debian

Linuxmint

Red Hat

Suse

Ubuntu

Xfixes

References · 83

• https://ubuntu.com/security/CVE-2025-49178 · Vendor Advisory
• https://osv.dev/vulnerability/USN-7573-1 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se38-bulletin-2026-0126SE38 · Vendor Advisory
• https://osv.dev/vulnerability/DEBIAN-CVE-2025-49177 · Vendor Advisory
• https://wiki.astralinux.ru/astra-linux-se18-bulletin-2025-0811SE18 · Vendor Advisory
• https://bdu.fstec.ru/vul/2025-11959 · Security Note
• https://access.redhat.com/errata/RHSA-2025:9304 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2025-49177 · Vendor Advisory
• https://osv.dev/vulnerability/AZL-64271 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2025-49177 · Vendor Advisory
• https://errata.almalinux.org/10/ALSA-2025-9304.html · Vendor Advisory
• https://access.redhat.com/errata/RHSA-2025:10258 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01975-1 · Vendor Advisory
• https://osv.dev/vulnerability/SUSE-SU-2025:01981-1 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2025:15310-1 · Vendor Advisory