Description
A Use After Free vulnerability in function new_Token in asm/preproc.c in nasm 2.14.02 allows attackers to cause a denial of service via crafted nasm command.
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 | nasm | 2.15.04-1 | — |
| Debian 13 | nasm | 2.15.04-1 | — |
| Debian 12 | nasm | 2.15.04-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 20.04 LTS | nasm | No fix yet | — |
| Ubuntu 18.04 LTS | nasm | No fix yet | — |
| Ubuntu 16.04 LTS | nasm | No fix yet | — |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | nasm +2 | 2.15.03-3.amzn2.0.3 | ALAS2-2023-2277 |
Advisories 1
- ALAS2-2023-2277 Moderate: nasm security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Oct 5, 2023