CVE-2025-46819
HighPublished
Redis is vulnerable to DoS via specially crafted LUA scripts
- Published
- Oct 3, 2025
- Updated
- Oct 31, 2025
- Assigning CNA
- GitHub_M
- Evidence observed
- Aug 25, 2026
Primary CVSS
7.1/ 10High
Redis is vulnerable to DoS via specially crafted LUA scripts
nvd · CVSS 3.1
CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:HLow · next 30 days
EPSS is a statistical estimate, not a certainty or a measure of impact. Combine it with CVSS, KEV status, exposure and your environment.
Redis is an open source, in-memory database that persists on disk. Versions 8.2.1 and below allow an authenticated user to use a specially crafted LUA script to read out-of-bound data or crash the server and subsequent denial of service. The problem exists in all versions of Redis with Lua scripting. This issue is fixed in version 8.2.2. To workaround this issue without patching the redis-server executable is to prevent users from executing Lua scripts. This can be done using ACL to block a script by restricting both the EVAL and FUNCTION command families.
javascript/cves/2025/CVE-2025-46819.yaml
Proof-of-concept exploit for CVE-2025-46819, a Redis Lua long-string delimiter out-of-bounds read, demonstrating a crash via malformed input.
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