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High severity7.5NVD Advisory· Published Apr 10, 2023· Updated Jun 17, 2026

CVE-2021-45985

CVE-2021-45985

Description

In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

4

Lua/Lua3 versions
cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*+ 2 more
- cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*range: >=5.4.0,<5.4.4
- (no CPE)
- (no CPE)range: =5.4.3
osv-coords
pkg:bitnami/lua
Range: >= 5.4.0, < 5.4.4

Patches

Vulnerability mechanics

References

3

github.com/lua/lua/commit/cf613cdc6fa367257fc61c256f63d917350858b5nvdPatch
lua-users.org/lists/lua-l/2021-12/msg00019.htmlnvdExploitMailing ListVendor Advisory
www.lua.org/bugs.htmlnvdVendor Advisory

News mentions

0

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