Connect your agent
AdvisoriesCriticalCheck your lockfilePluginHow it worksPricing Connect your agent

CVE record · CVE-2025-49177

Xorg-x11-server-xwayland: xorg-x11-server: tigervnc: data leak in xfixes extension's xfixessetclientdisconnectmode

CVSS 6.1 MediumEPSS 0.0044 · 38th percentile

Published by the CVE Program (CNA: redhat) at 17 Jun 2025, 14:49 UTC. agentprime has not analysed this yet, so whether it affects any app is not known. This CVE names a vendor and product rather than a package, so the lockfile check doesn’t match it.

Affected products, as the CNA wrote them
VendorProductVersions
X.Org xwayland Package name: xwayland https://gitlab.freedesktop.org/xorg/xserver
  • affected before 24.1.7 semver
Other versions: unaffected
Red Hat Red Hat Enterprise Linux 10 Package name: xorg-x11-server-Xwayland https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:24.1.5-4.el10_0 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:1.20.11-31.el9_6 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: xorg-x11-server-Xwayland https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:23.2.7-4.el9_6 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 9.4 Extended Update Support Package name: xorg-x11-server-Xwayland https://access.redhat.com/downloads/content/package-browser/
  • unaffected 0:22.1.9-6.el9_4 to before * rpm
Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 6 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 7 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 7 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: xorg-x11-server https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 8 Package name: xorg-x11-server-Xwayland https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Red Hat Red Hat Enterprise Linux 9 Package name: tigervnc https://access.redhat.com/downloads/content/package-browser/ No versions given Other versions: affected
Identifiers
CVE-2025-49177
CNA
redhat
Weakness (CWE)
CWE-200
Tags
Published
17 Jun 2025
Updated
4 Nov 2026

Not analysed yet

We haven’t published our own analysis of this CVE. If a person reviews it, this page will say what’s affected and what has to be true for it to matter.

Severity and exploitation

ScoreRatingCVSSVectorSource
6.1 Medium 3.1 CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:L CNA (redhat)
  • CISA KEV Not listed.
  • EPSS 0.0044, the 38th percentile, on 5 Nov 2026: FIRST’s estimate of the chance of exploitation in the next 30 days.

Timeline

  1. 17 Jun 2025, 14:49 UTC Confirmed by the CVE List
  2. 17 Jun 2025, 15:15 UTC Confirmed by NVD

Sources

References from the CNA

Facts on this page come from the CVE List as the CNA published them, with CVSS from the sources named above, CISA KEV and FIRST EPSS. Vendors, products and versions are shown as the CNA wrote them. We don’t reproduce the CVE’s description.