USN-5156-1: ICU vulnerability ›
24 November 2021
ICU could be made to crash if it received specially crafted input.
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.
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Latest Notices
USN-5155-1: BlueZ vulnerabilities ›
23 November 2021
Several security issues were fixed in BlueZ.
USN-5154-1: FreeRDP vulnerabilities ›
23 November 2021
Several security issues were fixed in FreeRDP.
USN-5153-1: LibreOffice vulnerabilities ›
22 November 2021
LibreOffice could incorrectly validate document signatures.
USN-5152-1: Thunderbird vulnerabilities ›
18 November 2021
Several security issues were fixed in Thunderbird.
CVE-2021-38503, CVE-2021-38507, CVE-2021-38506, and 2 others
USN-5151-1: Mailman vulnerabilities ›
18 November 2021
Several security issues were fixed in Mailman.
USN-5150-1: OpenEXR vulnerability ›
17 November 2021
OpenEXR could be made to crash if it opened a specially crafted file.
USN-5149-1: AccountsService vulnerability ›
16 November 2021
AccountsService could be made to crash or run programs as an administrator if it received a specially crafted command.
USN-5148-1: hivex vulnerability ›
16 November 2021
hivex could be made to crash or leak information if it received specially crafted input.
USN-5147-1: Vim vulnerabilities ›
15 November 2021
Several security issues were fixed in Vim.
CVE-2021-3928, CVE-2021-3927, CVE-2017-17087, and 3 others