Published: 14 February 2022
In zsh before 5.8.1, an attacker can achieve code execution if they control a command output inside the prompt, as demonstrated by a %F argument. This occurs because of recursive PROMPT_SUBST expansion.
CVSS 3 base score: 7.8
The commits fdb8b0ce and bdc4d70a are related to a partial commit that can be used in case an user can't update to a patched version that contains c187154f commit.