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Medium severity5.5NVD Advisory· Published Nov 9, 2021· Updated Jun 17, 2026

CVE-2021-43519

CVE-2021-43519

Description

Stack overflow in lua_resume of ldo.c in Lua Interpreter 5.1.0~5.4.4 allows attackers to perform a Denial of Service via a crafted script file.

AI Insight

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

Affected products

9

Lua/Lua
cpe:2.3:a:lua:lua:*:*:*:*:*:*:*:*
Range: >=5.1.0,<5.3.5
Fedoraproject/Fedora
cpe:2.3:o:fedoraproject:fedora:35:*:*:*:*:*:*:*
Lua Interpreter/Lua Interpreterdescription
Lua Interpreter/Lua Interpreterllm-create
Range: 5.1.0-5.4.4
osv-coords5 versions
pkg:bitnami/lua pkg:rpm/almalinux/lua pkg:rpm/almalinux/lua-devel pkg:rpm/almalinux/lua-libs pkg:rpm/opensuse/lua55&distro=openSUSE%20Tumbleweed
>= 5.1.0, < 5.3.5+ 4 more
- (no CPE)range: >= 5.1.0, < 5.3.5
- (no CPE)range: < 5.4.4-2.el9_1
- (no CPE)range: < 5.4.4-2.el9_1
- (no CPE)range: < 5.4.4-2.el9_1
- (no CPE)range: < 5.5.0~beta1-1.1

Patches

Vulnerability mechanics

References

4

lua-users.org/lists/lua-l/2021-11/msg00015.htmlnvdPatchVendor Advisory
lua-users.org/lists/lua-l/2021-10/msg00123.htmlnvdExploitMailing ListVendor Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/C7XHFYHGSZKL53VCLSJSAJ6VMFGAIXKO/nvd
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/nvd

News mentions

0

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