https://bugzilla.redhat.com/show_bug.cgi?id=2073884
Bug ID: 2073884 Summary: CVE-2022-28805 dev-lang/lua: heap buffer overread Product: Security Response Hardware: All OS: Linux Status: NEW Component: vulnerability Keywords: Security Severity: high Priority: high Assignee: security-response-team@redhat.com Reporter: ahanwate@redhat.com CC: 4le@live.com, drjohnson1@gmail.com, lua-packagers-sig@lists.fedoraproject.org, mhroncok@redhat.com, michel@michel-slm.name, rob.myers@gtri.gatech.edu, spotrh@gmail.com Target Milestone: --- Classification: Other
singlevar in lparser.c in Lua through 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.
https://lua-users.org/lists/lua-l/2022-02/msg00001.html https://lua-users.org/lists/lua-l/2022-02/msg00070.html https://lua-users.org/lists/lua-l/2022-04/msg00009.html https://github.com/lua/lua/commit/1f3c6f4534c6411313361697d98d1145a1f030fa