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Medium severity5.5NVD Advisory· Published Jan 11, 2022· Updated Jun 17, 2026

CVE-2021-44647

CVE-2021-44647

Description

Lua v5.4.3 and above are affected by SEGV by type confusion in funcnamefromcode function in ldebug.c which can cause a local denial of service.

AI Insight

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

Affected products

6

Lua/Lua2 versions
cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:lua:lua:5.4.3:*:*:*:*:*:*:*
- (no CPE)range: >=5.4.3
Fedoraproject/Fedora
cpe:2.3:o:fedoraproject:fedora:34:*:*:*:*:*:*:*
Lua/Luadescription
osv-coords2 versions
pkg:bitnami/lua pkg:rpm/opensuse/lua55&distro=openSUSE%20Tumbleweed
>= 5.4.3, < 5.4.4+ 1 more
- (no CPE)range: >= 5.4.3, < 5.4.4
- (no CPE)range: < 5.5.0~beta1-1.1

Patches

Vulnerability mechanics

References

5

lua-users.org/lists/lua-l/2021-11/msg00204.htmlnvdMailing ListPatchVendor Advisory
lua-users.org/lists/lua-l/2021-11/msg00195.htmlnvdExploitMailing ListVendor Advisory
access.redhat.com/security/cve/cve-2021-44647nvdThird Party Advisory
lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/P3EMGAQ5Y6GXJLY4K5DUOOEQT4MZ4J4F/nvd
security.gentoo.org/glsa/202305-23nvd

News mentions

0

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