UBUNTU-CVE-2022-28805

singlevar in lparser.c in Lua from (including) 5.4.0 up to (excluding) 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.

References

Affected packages

Ubuntu:Pro:22.04:LTS / lua5.4

Package

Name: lua5.4
Purl: pkg:deb/ubuntu/lua5.4@5.4.4-1ubuntu0.1~esm1?arch=source&distro=esm-apps/jammy

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

5.4.4-1ubuntu0.1~esm1

Affected versions

5.*

5.4.2-2

5.4.3-1

5.4.4-1

Ecosystem specific

{
    "binaries": [
        {
            "binary_name": "liblua5.4-0",
            "binary_version": "5.4.4-1ubuntu0.1~esm1"
        },
        {
            "binary_name": "lua5.4",
            "binary_version": "5.4.4-1ubuntu0.1~esm1"
        }
    ],
    "availability": "Available with Ubuntu Pro: https://ubuntu.com/pro"
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2022/UBUNTU-CVE-2022-28805.json"