openSUSE-SU-2026:21273-1

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Import Source
https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21273-1.json
JSON Data
https://api.test.osv.dev/v1/vulns/openSUSE-SU-2026:21273-1
Upstream
CVE (2)
Related
Published
2026-07-08T17:58:06Z
Modified
2026-07-11T18:24:33Z
Summary
Security update for xorg-x11-server
Details

This update for xorg-x11-server fixes the following issues

  • CVE-2026-55999: missing bounds check in glamor_font_get can lead to a heap buffer overflow when a font loaded from a malicious PCF file is processed (bsc#1268893).
  • CVE-2026-56000: improper memory management in CommonMakeCurrent can lead to a heap use-after-free when an interaction with a malicious client creating GLX contexts happens (bsc#1268894).
References

Affected packages

openSUSE:Leap 16.0 / xorg-x11-server

Package

Name
xorg-x11-server
Purl
pkg:rpm/opensuse/xorg-x11-server&distro=openSUSE%20Leap%2016.0

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0 Unknown introduced version / All previous versions are affected
Fixed
21.1.15-160000.6.1

Ecosystem specific

{
    "binaries": [
        {
            "xorg-x11-server": "21.1.15-160000.6.1",
            "xorg-x11-server-Xvfb": "21.1.15-160000.6.1",
            "xorg-x11-server-extra": "21.1.15-160000.6.1",
            "xorg-x11-server-sdk": "21.1.15-160000.6.1",
            "xorg-x11-server-source": "21.1.15-160000.6.1",
            "xorg-x11-server-wrapper": "21.1.15-160000.6.1"
        }
    ]
}

Database specific

source
"https://ftp.suse.com/pub/projects/security/osv/openSUSE-SU-2026:21273-1.json"