Description
In Lua 5.4.3, an erroneous finalizer called during a tail call leads to a heap-based buffer over-read.
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 | 5.4.4-1 | — |
| Debian 13 | lua5.4 | 5.4.4-1 | — |
| Debian 12 | lua5.4 | 5.4.4-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | tup +2 | No fix yet | — |
| Ubuntu 26.04 LTS | tup +2 | No fix yet | — |
| Ubuntu 25.10 | tup +2 | No fix yet | — |
| Ubuntu 24.04 LTS | tup +2 | No fix yet | — |
| Ubuntu 22.04 LTS | tup +2 | No fix yet | — |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | tup +2 | No fix yet | — |
| Ubuntu 18.04 LTS | vifm +1 | No fix yet | — |
| Ubuntu 16.04 LTS | vifm +1 | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2023 | lua +3 | 5.4.4-3.amzn2023.0.2 | ALAS2023-2024-533 |
Azure Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Azure Linux 3 | ntopng | 5.2.1-2 | — |
| Azure Linux 2 (CBL-Mariner) | lua | 5.4.3-5 | — |
| Azure Linux 2 (CBL-Mariner) | memcached | 1.6.13-3 | — |
| Azure Linux 2 (CBL-Mariner) | ntopng | 5.2.1-2 | — |
Advisories 1
- ALAS2023-2024-533 Moderate: lua security update (Amazon Linux 2023) Amazon Linux Security Center (ALAS) · May 9, 2024