USN-6428-1: LibTIFF vulnerability ›
11 October 2023
LibTIFF could be made to crash if it opened a specially crafted file.
Ubuntu Security Notices
Developers issue an Ubuntu Security Notice when a security issue is fixed in an official Ubuntu package.
To report a security vulnerability in an Ubuntu package, please contact the Security Team.
The Security Team also produces OVAL files for each Ubuntu release. These are an industry-standard machine-readable format dataset that contain details of all known security vulnerabilities and fixes relevant to the Ubuntu release, and can be used to determine whether a particular patch is appropriate. OVAL files can also be used to audit a system to check whether the latest security fixes have been applied.
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Latest Notices
USN-6404-2: Firefox regressions ›
11 October 2023
USN-6404-1 caused some minor regressions in Firefox.
USN-6427-1: .NET vulnerability ›
10 October 2023
.NET could be made to crash if it received specially crafted network traffic.
USN-6426-1: WebKitGTK vulnerabilities ›
10 October 2023
Several security issues were fixed in WebKitGTK.
USN-6425-1: Samba vulnerabilities ›
10 October 2023
Several security issues were fixed in Samba.
CVE-2023-4091 , CVE-2023-42670 , CVE-2023-42669 , and 1 other
USN-6407-2: libx11 vulnerabilities ›
10 October 2023
Several security issues were fixed in libx11.
LSN-0098-1: Kernel Live Patch Security Notice ›
10 October 2023
Several security issues were fixed in the kernel.
CVE-2023-3776 , CVE-2023-3609 , CVE-2023-21400 , and 7 others
USN-6424-1: kramdown vulnerability ›
10 October 2023
kramdown could be made to execute arbitrary code if it received specially crafted input.
USN-6423-1: CUE vulnerability ›
9 October 2023
CUE could be made to execute arbitrary code if it received a specially crafted file.
USN-6422-1: Ring vulnerabilities ›
9 October 2023
Several security issues were fixed in Ring.
CVE-2021-37706 , CVE-2022-39244 , CVE-2022-31031 , and 17 others