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.
Published 2022-04-08 06:15:07
Updated 2024-06-20 14:44:42
Source MITRE
View at NVD,   CVE.org

Products affected by CVE-2022-28805

Threat overview for CVE-2022-28805

Top countries where our scanners detected CVE-2022-28805
Top open port discovered on systems with this issue 80
IPs affected by CVE-2022-28805 2
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Exploit prediction scoring system (EPSS) score for CVE-2022-28805

0.23%
Probability of exploitation activity in the next 30 days EPSS Score History
~ 60 %
Percentile, the proportion of vulnerabilities that are scored at or less

CVSS scores for CVE-2022-28805

Base Score Base Severity CVSS Vector Exploitability Score Impact Score Score Source First Seen
6.4
MEDIUM AV:N/AC:L/Au:N/C:P/I:N/A:P
10.0
4.9
NIST
9.1
CRITICAL CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
3.9
5.2
NIST

CWE ids for CVE-2022-28805

  • The product reads data past the end, or before the beginning, of the intended buffer.
    Assigned by: nvd@nist.gov (Primary)

References for CVE-2022-28805

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