USN-6407-1: libx11 vulnerabilities ›
3 October 2023
Several security issues were fixed in libx11.
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-6406-1: SpiderMonkey vulnerabilities ›
3 October 2023
Several security issues were fixed in SpiderMonkey.
USN-6405-1: Thunderbird vulnerabilities ›
3 October 2023
Several security issues were fixed in Thunderbird.
CVE-2023-5176 , CVE-2023-4580 , CVE-2023-5169 , and 8 others
USN-6404-1: Firefox vulnerabilities ›
3 October 2023
Several security issues were fixed in Firefox.
CVE-2023-5175 , CVE-2023-5173 , CVE-2023-5170 , and 5 others
USN-6403-1: libvpx vulnerabilities ›
2 October 2023
Several security issues were fixed in libvpx.
USN-6402-1: LibTomMath vulnerability ›
2 October 2023
LibTomMatch could be made to execute arbitrary code or denial of service if it received a specially crafted input.
USN-6386-2: Linux kernel (Raspberry Pi) vulnerabilities ›
29 September 2023
Several security issues were fixed in the Linux kernel.
CVE-2023-4128 , CVE-2023-20588 , CVE-2023-40283 , and 1 other
USN-6369-2: libwebp vulnerability ›
28 September 2023
libwebp could be made to crash or run programs if it opened a specially crafted file.
USN-6400-1: Python vulnerability ›
27 September 2023
Python could be made to expose sensitive information.
USN-6399-1: Puma vulnerability ›
27 September 2023
Puma could allow HTTP Request Smuggling attacks.