Description
QuickJS before c4cdd61 has a build_for_in_iterator NULL pointer dereference because of an erroneous lexical scope of "this" with eval.
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