This security bulletin contains one high risk vulnerability.
Exploit availability: NoDescription
The vulnerability allows a remote attacker to execute arbitrary shell commands on the target system.
The vulnerability exists due to recursive PROMPT_SUBST expansion when processing malicious output. A remote attacker with ability to control the output can inject and execute arbitrary commands on the system with privileges on the current user.
Update zsh package to one of the following versions: 5.7.1-1+deb10u1, 5.8-6+deb11u1.Vulnerable software versions
zsh (Debian package): 5.0.0-1 - 5.8-5
Can this vulnerability be exploited remotely?
Is there known malware, which exploits this vulnerability?