========================================================================== Ubuntu Security Notice USN-8580-2 July 21, 2026
accountsservice vulnerabilities
==========================================================================
A security issue affects these releases of Ubuntu and its derivatives:
- Ubuntu 20.04 LTS
- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS
- Ubuntu 14.04 LTS
Summary:
AccountsService could be made to run programs as an administrator if it
opened a specially crafted file.
Software Description:
- accountsservice: query and manipulate user account information
Details:
USN-8580-1 fixed vulnerabilities in AccountsService. This update provides
the corresponding fixes for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS,
Ubuntu 18.04 LTS, and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that the Ubuntu-specific SetLanguage patch to
AccountsService incorrectly handled dropping privileges. A local attacker
could use this issue to execute arbitrary commands as an administrator.
(CVE-2026-61897)
It was discovered that the Ubuntu-specific SetLanguage helpers for
AccountsService incorrectly handled parsing configuration files. A local
attacker could use this issue to execute arbitrary commands.
(CVE-2026-61898)
Update instructions:
The problem can be corrected by updating your system to the following
package versions:
Ubuntu 20.04 LTS
accountsservice 0.6.55-0ubuntu12~20.04.7+esm1
Available with Ubuntu Pro
Ubuntu 18.04 LTS
accountsservice 0.6.45-1ubuntu1.3+esm2
Available with Ubuntu Pro
Ubuntu 16.04 LTS
accountsservice 0.6.40-2ubuntu11.6+esm2
Available with Ubuntu Pro
Ubuntu 14.04 LTS
accountsservice 0.6.35-0ubuntu7.3+esm4
Available with Ubuntu Pro
After a standard system update you need to reboot your computer to make
all the necessary changes.
References:
https://ubuntu.com/security/notices/USN-8580-2
https://ubuntu.com/security/notices/USN-8580-1
CVE-2026-61897, CVE-2026-61898
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