UBUNTU-CVE-2023-43786
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UBUNTU-CVE-2023-43786
Published: 3 Oct 2023Last Modified: 20 May 2026
Upstream:
Aliases:
Summary:
Details: A vulnerability was found in libX11 due to an infinite loop within the PutSubImage() function. This flaw allows a local user to consume all available system resources and cause a denial of service condition.
References: https://ubuntu.com/security/CVE-2023-43786, https://ubuntu.com/security/notices/USN-6407-1, https://ubuntu.com/security/notices/USN-6408-1, https://ubuntu.com/security/notices/USN-6407-2, https://ubuntu.com/security/notices/USN-6408-2, https://www.cve.org/CVERecord?id=CVE-2023-43786
Affected packages
Package
Name: libx11
Purl: pkg:deb/ubuntu/libx11?arch=source&distro=trusty%2Fesm
Affected ranges
Type: ECOSYSTEM
Events:
Introduced- 0
Fixed -2:1.6.2-1ubuntu2.1+esm5
Affected versions
2:1.6.1-1ubuntu1
2:1.6.1-1ubuntu2
2:1.6.2-1ubuntu1
2:1.6.2-1ubuntu2
2:1.6.2-1ubuntu2.1
2:1.6.2-1ubuntu2.1+esm1
2:1.6.2-1ubuntu2.1+esm2
2:1.6.2-1ubuntu2.1+esm3
2:1.6.2-1ubuntu2.1+esm4
Common Vulnerability Scoring System
Attack Vector
Network
Adjacent
Local
Physical
Privileges Required
None
Low
High
User Interaction
None
Required
Scope
Unchanged
Changed
Confidentiality
None
Low
High
Integrity
None
Low
High
Availability
None
Low
High
