Description
Lua 5.4.0 has a getobjname heap-based buffer over-read because youngcollection in lgc.c uses markold for an insufficient number of list members.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | lua5.4 | 5.4.0-2 | — |
| Debian 13 | lua5.4 | 5.4.0-2 | — |
| Debian 12 | lua5.4 | 5.4.0-2 | — |