PT-2026-47113 · Julia · Lua Jll

Published 2026-05-26 · Updated 2026-05-26

OSV

CVSS v3.1

5.5

Medium

Base vector

AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H

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.

Fix

Related Identifiers

JLSEC-2026-554

Affected Products

Lua Jll

References · 4

• https://osv.dev/vulnerability/JLSEC-2026-554 · Vendor Advisory
• https://github.com/lua/lua/commit/a2195644d89812e5b157ce7bac35543e06db05e3 · Note
• http://lua-users.org/lists/lua-l/2020-07/msg00123.html · Note
• https://lua.org/bugs.html#5.4.0-8 · Note