Luajit
CVE-2020-15890
HIGH
Severity by source
AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Primary rating from NVD · only source for this CVE.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Lifecycle Timeline
1DescriptionNVD
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled.
AnalysisAI
LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled. Rated high severity (CVSS 7.5), this vulnerability is remotely exploitable, no authentication required, low attack complexity. Public exploit code available and no vendor patch available.
Technical ContextAI
This vulnerability is classified as Out-of-bounds Read (CWE-125), which allows attackers to read data from memory outside the intended buffer boundaries. LuaJit through 2.1.0-beta3 has an out-of-bounds read because __gc handler frame traversal is mishandled. Affected products include: Luajit, Debian Debian Linux, Canonical Ubuntu Linux. Version information: through 2.1.0.
RemediationAI
No vendor patch is available at time of analysis. Monitor vendor advisories for updates. Validate array indices and buffer lengths. Use memory-safe languages. Enable AddressSanitizer during testing.
LuaJIT through 2.1 and OpenRusty luajit2 before v2.1-20240626 have a stack-buffer-overflow in lj_strfmt_wfnum in lj_strf
LuaJIT through 2.1 and OpenRusty luajit2 before v2.1-20240314 have an out-of-bounds read in the stack-overflow handler i
LuaJIT through 2.1 and OpenRusty luajit2 before v2.1-20240314 have an unsinking of IR_FSTORE for NULL metatable, which l
LuaJIT through 2.1.0-beta3 has an out-of-bounds read in lj_err_run in lj_err.c. Rated high severity (CVSS 7.5), this vul
In LuaJIT through 2.0.5, as used in Moonjit before 2.1.2 and other products, debug.getinfo has a type confusion issue th
Same weakness CWE-125 – Out-of-bounds Read
View allSame technique Buffer Overflow
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External POC / Exploit Code
Leaving vuln.today