CVE-2022-28805
CriticalPublic PoC
Published: 08 April 2022
Published
08 April 2022
Modified
21 November 2024
KEV Added
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Patch
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CVSS Score v3.1
9.1
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
EPSS Score
0.0017
38.2th percentile
Risk Priority
18
60% EPSS · 20% KEV · 20% CVSS
Summary
CVE-2022-28805 is a critical-severity Out-of-bounds Read (CWE-125) vulnerability in Fedoraproject Fedora. Its CVSS base score is 9.1 (Critical).
Operationally, ranked at the 38.2th percentile by exploit likelihood (below the median); it is not currently listed in the CISA KEV catalog; a public proof-of-concept is referenced.
EU & UK References
- 🇪🇺 ENISA EUVD: EUVD-2022-33243
Vulnerability details
singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 5.4.4 lacks a certain luaK_exp2anyregup call, leading to a heap-based buffer over-read that might affect a system that compiles untrusted Lua code.
- CWE(s)
Related Threats
No named actor attribution yet. ATT&CK technique mapping in progress for this CVE.
Affected Assets
lua
lua
5.4.0 — 5.4.5
fedoraproject
fedora
35, 36
Mitigating Controls
No mitigating controls mapped yet. The per-CVE control annotator has not reached this CVE.