CVE-2022-0543 Debian-specific Redis Server Lua Sandbox Escape

What is CVE-2022-0543?

CVE-2022-0543 is a critical code injection vulnerability in Debian redis, published on 18 Feb 2022. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

It was discovered, that redis, a persistent key-value database, due to a packaging issue, is prone to a (Debian-specific) Lua sandbox escape, which could result in remote code execution.

Weakness: CWE-862

Which versions are affected by CVE-2022-0543?

1 open source package ship an affected version, including redis. It affects 1 product.

Products include Redis Redis.

How do I fix CVE-2022-0543?

Apply the vendor's patch. US federal agencies must fix it by 18 Apr 2022.

Upgrade, and never evaluate templates, expressions or code built from user input. More about Code injection.

Is CVE-2022-0543 being exploited?

Yes. Attackers have exploited CVE-2022-0543 in the wild since at least 28 Mar 2022.

Public exploit code: 1 Metasploit module, 1 Nuclei template and 6 proofs of concept on GitHub.

Other vulnerabilities in Debian redis

• CVE-2026-23479 redis-server use-after-free in unblock client flow may allow remote code execution High 7.7
• CVE-2026-25243 redis-server RESTORE invalid memory access may allow remote code execution High 7.7
• CVE-2025-62507 Redis: Bug in XACKDEL may lead to stack overflow and potential RCE High 7.7
• CVE-2025-48367 Redis DoS Vulnerability due to bad connection error handling High 7.5
• CVE-2023-31655 Denial of service in n/a High 7.5

Sources

• CVE record
• NVD
• OSV
• GitHub advisory
• How this page is made

Also known as BIT-redis-2022-0543, DEBIAN-CVE-2022-0543, DSA-5081-1, GHSA-9wpj-h5jq-88p9, MINI-2548-6x3j-m4rj, MINI-3358-fff2-24q5 and 9 more.