Description
Artifex MuJS v1.1.3 was discovered to contain a heap buffer overflow which is caused by conflicting JumpList of nested try/finally statements.
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 | mujs | 1.1.3-4 | — |
| Debian 13 | mujs | 1.1.3-4 | — |
| Debian 12 | mujs | 1.1.3-4 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 22.04 LTS | mujs | 1.1.3-3ubuntu0.1~esm1 | USN-7575-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | mujs | 1.2.0-2.1 | openSUSE-SU-2024:11851-1 |
Advisories 2
- USN-7575-1 mujs vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026
- openSUSE-SU-2024:11851-1 mujs-1.2.0-2.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026