Vulnerability Database
Blog
FAQ
Docs
arrow_forward
search
light_mode
dark_mode
RHSA-2026:52392
See a problem?
Please try reporting it
to the source
first.
Source
https://access.redhat.com/errata/RHSA-2026:52392
Import Source
https://security.access.redhat.com/data/osv/RHSA-2026:52392.json
JSON Data
https://api.osv.dev/v1/vulns/RHSA-2026:52392
Upstream
CVE-2026-55999
Published
2026-08-10T10:13:31Z
Modified
2026-08-10T10:33:08.337894028Z
Severity
7.5 (High)
CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:L/UI:N/S:U/C:H/I:H/A:H
CVSS Calculator
Summary
Red Hat Security Advisory: xorg-x11-server-Xwayland security update
Details
References
https://access.redhat.com/errata/RHSA-2026:52392
https://access.redhat.com/security/updates/classification/#important
https://bugzilla.redhat.com/show_bug.cgi?id=2496165
https://security.access.redhat.com/data/csaf/v2/advisories/2026/rhsa-2026_52392.json
https://access.redhat.com/security/cve/CVE-2026-55999
https://www.cve.org/CVERecord?id=CVE-2026-55999
https://nvd.nist.gov/vuln/detail/CVE-2026-55999
Affected packages
Red Hat:rhel_e4s:8.8::appstream
xorg-x11-server-Xwayland
Package
Name
xorg-x11-server-Xwayland
Purl
pkg:rpm/redhat/xorg-x11-server-Xwayland
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:21.1.3-13.el8_8.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:52392.json"
xorg-x11-server-Xwayland-debuginfo
Package
Name
xorg-x11-server-Xwayland-debuginfo
Purl
pkg:rpm/redhat/xorg-x11-server-Xwayland-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:21.1.3-13.el8_8.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:52392.json"
xorg-x11-server-Xwayland-debugsource
Package
Name
xorg-x11-server-Xwayland-debugsource
Purl
pkg:rpm/redhat/xorg-x11-server-Xwayland-debugsource
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:21.1.3-13.el8_8.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:52392.json"
Red Hat:rhel_tus:8.8::appstream
xorg-x11-server-Xwayland
Package
Name
xorg-x11-server-Xwayland
Purl
pkg:rpm/redhat/xorg-x11-server-Xwayland
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:21.1.3-13.el8_8.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:52392.json"
xorg-x11-server-Xwayland-debuginfo
Package
Name
xorg-x11-server-Xwayland-debuginfo
Purl
pkg:rpm/redhat/xorg-x11-server-Xwayland-debuginfo
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:21.1.3-13.el8_8.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:52392.json"
xorg-x11-server-Xwayland-debugsource
Package
Name
xorg-x11-server-Xwayland-debugsource
Purl
pkg:rpm/redhat/xorg-x11-server-Xwayland-debugsource
Affected ranges
Type
ECOSYSTEM
Events
Introduced
0
Unknown introduced version / All previous versions are affected
Fixed
0:21.1.3-13.el8_8.2
Database specific
source
"https://security.access.redhat.com/data/osv/RHSA-2026:52392.json"
RHSA-2026:52392 - OSV