CVE-2025-49177

Summary

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.

Affected Software

VendorProductVersion RangeStatus
X.Orgxwayland0 < 24.1.7affected
Red HatRed Hat Enterprise Linux 100:24.1.5-4.el10_0 < *unaffected
Red HatRed Hat Enterprise Linux 90:1.20.11-31.el9_6 < *unaffected
Red HatRed Hat Enterprise Linux 90:23.2.7-4.el9_6 < *unaffected
Red HatRed Hat Enterprise Linux 9.4 Extended Update Support0:22.1.9-6.el9_4 < *unaffected

Weaknesses

  • CWE-200: Exposure of Sensitive Information to an Unauthorized Actor

Workarounds

Mitigation for this issue is either not available or the currently available options don't meet the Red Hat Product Security criteria comprising ease of use and deployment, applicability to widespread installation base, or stability.

ADP Enrichment

CISA ADP Vulnrichment

  • SSVC:
  • Exploitation: none
    • Automatable: no
    • Technical Impact: partial

References