PoC Index

CVE-2020-15945

MEDIUM 5.5EPSS 0.5%

Lua 5.4.0 (fixed in 5.4.1) has a segmentation fault in changedline in ldebug.c (e.g., when called by luaG_traceexec) because it incorrectly expects that an oldpc value is always updated upon a return of the flow of control to a function.

CVSS v3.1
5.5 MEDIUMCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
CVSS v2.0
2.1 LOWAV:L/AC:L/Au:N/C:N/I:N/A:P
EPSS
0.53% chance of exploitation in the next 30 days, 43th percentile
Published
2020-07-24
Updated
2025-02-19

Proof-of-concept exploits (1)

References

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