CVE-2026-25704 Incomplete privilege drop for com.system76.CosmicGreeter.GetUserData

A Privilege Dropping / Lowering Errors/Time-of-check Time-of-use TOCTOU Race Condition vulnerability in cosmic-greeter can allow an attacker to regain privileges that should have been dropped and abuse them in the racy checking logic. This issue affects cosmic-greeter before...

USN-5325-1 zsh vulnerabilities

Sam Foxman discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to regain dropped privileges. CVE-2019-20044 It was discovered that Zsh incorrectly handled certain inputs. An attacker could possibly use this issue to execute arbitrary code. CVE-2021-45...

ALPINE-CVE-2019-20044

In Zsh before 5.8, attackers able to execute commands can regain privileges dropped by the --no-PRIVILEGED option. Zsh fails to overwrite the saved uid, so the original privileges can be restored by executing MODULEPATH=/dir/with/module zmodload with a module that calls setuid...