redis,valkey -- Lua library commands may lead to integer overflow and potential RCE

2025-10-04 · CVE-2025-46817 · VuXML entry

redis reports: An authenticated user may use a specially crafted Lua script to cause an integer overflow and potentially lead to remote code execution The problem exists in all versions of Redis with Lua scripting. An additional workaround to mitigate the problem 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 …

Affected versions

• redis >= 8.2.0 < 8.2.2
• redis80 >= 8.0.0 < 8.0.4
• redis74 >= 7.4.0 < 7.4.6
• redis72 >= 7.2.0 < 7.2.11
• redis62 >= 6.2.0 < 6.2.20
• valkey < 8.1.4

By system

1 still vulnerable, 7 fixed. Where VuXML applies (FreeBSD, DragonFly, FreeBSD's derivatives) a port is vulnerable while its version is in a range; pkgsrc says itself whether it lists a CVE of this advisory; OpenBSD and MidnightBSD keep no list this site reads, so their row is only an estimate: FreeBSD's ranges applied to upstream's version.