Description
QuickJS before 7414e5f has a quickjs.h JS_FreeValueRT use-after-free because of incorrect garbage collection of async functions with closures.
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 | quickjs | 2024.01.13-1 | — |
| Debian 13 | quickjs | 2024.01.13-1 | — |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | quickjs | 2021.03.27-1ubuntu0.1~esm1 | USN-7439-1 |
Advisories 1
- USN-7439-1 quickjs vulnerabilities Ubuntu Security Notices (USN) · Apr 27, 2026