USN-7299-3
xorg-server, xwayland regression
USN-7299-2 fix vulnerabilities in X.Org X Server. This fix caused regression in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update reverts it pending further investigation.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these issues to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code.
What each source reports
OSV No score
xorg-server, xwayland regression
USN-7299-2 fix vulnerabilities in X.Org X Server. This fix caused regression in Ubuntu 16.04 LTS and Ubuntu 18.04 LTS. This update reverts it pending further investigation.
Original advisory details:
Jan-Niklas Sohn discovered that the X.Org X Server incorrectly handled certain memory operations. An attacker could use these issues to cause the X Server to crash, leading to a denial of service, or possibly execute arbitrary code.
- Record
USN-7299-3- Updated
- 2026-11-02
Affected packages
| Package | Affected | Fixed |
|---|---|---|
xorg-serverUbuntu:Pro:16.04:LTS |
before 2:1.18.4-0ubuntu0.12+esm16, plus listed versions 2:1.17.2-1ubuntu92:1.17.2-1ubuntu102:1.17.3-2ubuntu12:1.17.3-2ubuntu22:1.17.3-2ubuntu3 Show 30 moreShow less2:1.17.3-2ubuntu42:1.18.1-1ubuntu32:1.18.1-1ubuntu42:1.18.3-1ubuntu12:1.18.3-1ubuntu22:1.18.3-1ubuntu2.22:1.18.3-1ubuntu2.32:1.18.4-0ubuntu0.12:1.18.4-0ubuntu0.22:1.18.4-0ubuntu0.32:1.18.4-0ubuntu0.42:1.18.4-0ubuntu0.62:1.18.4-0ubuntu0.72:1.18.4-0ubuntu0.82:1.18.4-0ubuntu0.92:1.18.4-0ubuntu0.102:1.18.4-0ubuntu0.112:1.18.4-0ubuntu0.122:1.18.4-0ubuntu0.12+esm12:1.18.4-0ubuntu0.12+esm22:1.18.4-0ubuntu0.12+esm42:1.18.4-0ubuntu0.12+esm52:1.18.4-0ubuntu0.12+esm62:1.18.4-0ubuntu0.12+esm82:1.18.4-0ubuntu0.12+esm92:1.18.4-0ubuntu0.12+esm102:1.18.4-0ubuntu0.12+esm122:1.18.4-0ubuntu0.12+esm132:1.18.4-0ubuntu0.12+esm142:1.18.4-0ubuntu0.12+esm15 |
2:1.18.4-0ubuntu0.12+esm16 |
xorg-server-hwe-16.04Ubuntu:Pro:16.04:LTS |
before 2:1.19.6-1ubuntu4.1~16.04.6+esm8, plus listed versions 2:1.18.4-1ubuntu6.1~16.04.12:1.18.4-1ubuntu6.1~16.04.22:1.19.3-1ubuntu1~16.04.22:1.19.3-1ubuntu1~16.04.32:1.19.3-1ubuntu1~16.04.4 Show 14 moreShow less2:1.19.5-0ubuntu2~16.04.12:1.19.6-1ubuntu4~16.04.12:1.19.6-1ubuntu4.1~16.04.12:1.19.6-1ubuntu4.1~16.04.22:1.19.6-1ubuntu4.1~16.04.32:1.19.6-1ubuntu4.1~16.04.42:1.19.6-1ubuntu4.1~16.04.52:1.19.6-1ubuntu4.1~16.04.62:1.19.6-1ubuntu4.1~16.04.6+esm12:1.19.6-1ubuntu4.1~16.04.6+esm32:1.19.6-1ubuntu4.1~16.04.6+esm42:1.19.6-1ubuntu4.1~16.04.6+esm52:1.19.6-1ubuntu4.1~16.04.6+esm62:1.19.6-1ubuntu4.1~16.04.6+esm7 |
2:1.19.6-1ubuntu4.1~16.04.6+esm8 |
xorg-serverUbuntu:Pro:18.04:LTS |
before 2:1.19.6-1ubuntu4.15+esm11, plus listed versions 2:1.19.5-0ubuntu22:1.19.6-1ubuntu12:1.19.6-1ubuntu22:1.19.6-1ubuntu32:1.19.6-1ubuntu4 Show 23 moreShow less2:1.19.6-1ubuntu4.12:1.19.6-1ubuntu4.22:1.19.6-1ubuntu4.32:1.19.6-1ubuntu4.42:1.19.6-1ubuntu4.52:1.19.6-1ubuntu4.62:1.19.6-1ubuntu4.72:1.19.6-1ubuntu4.82:1.19.6-1ubuntu4.92:1.19.6-1ubuntu4.102:1.19.6-1ubuntu4.112:1.19.6-1ubuntu4.122:1.19.6-1ubuntu4.132:1.19.6-1ubuntu4.142:1.19.6-1ubuntu4.152:1.19.6-1ubuntu4.15+esm12:1.19.6-1ubuntu4.15+esm32:1.19.6-1ubuntu4.15+esm42:1.19.6-1ubuntu4.15+esm52:1.19.6-1ubuntu4.15+esm72:1.19.6-1ubuntu4.15+esm82:1.19.6-1ubuntu4.15+esm92:1.19.6-1ubuntu4.15+esm10 |
2:1.19.6-1ubuntu4.15+esm11 |
xorg-server-hwe-18.04Ubuntu:Pro:18.04:LTS |
before 2:1.20.8-2ubuntu2.2~18.04.11+esm3, plus listed versions 2:1.20.1-3ubuntu2.1~18.04.12:1.20.4-1ubuntu3~18.04.12:1.20.5+git20191008-0ubuntu1~18.04.12:1.20.8-2ubuntu2.1~18.04.12:1.20.8-2ubuntu2.2~18.04.1 Show 12 moreShow less2:1.20.8-2ubuntu2.2~18.04.22:1.20.8-2ubuntu2.2~18.04.32:1.20.8-2ubuntu2.2~18.04.42:1.20.8-2ubuntu2.2~18.04.52:1.20.8-2ubuntu2.2~18.04.62:1.20.8-2ubuntu2.2~18.04.72:1.20.8-2ubuntu2.2~18.04.82:1.20.8-2ubuntu2.2~18.04.92:1.20.8-2ubuntu2.2~18.04.102:1.20.8-2ubuntu2.2~18.04.112:1.20.8-2ubuntu2.2~18.04.11+esm12:1.20.8-2ubuntu2.2~18.04.11+esm2 |
2:1.20.8-2ubuntu2.2~18.04.11+esm3 |
History
| Recorded | Changed | Sources |
|---|---|---|
| first indexed | OSV |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
USN-7299-3 is a vulnerability with no CVSS score yet in xorg-server, published March 12, 2025. No source lists public exploit code. Fixed in xorg-server 2:1.18.4-0ubuntu0.12+esm16.