Description
A flaw has been found in quickjs-ng quickjs up to 0.12.1. This affects the function js_iterator_concat_return of the file quickjs.c. This manipulation causes use after free. The attack requires local access. The exploit has been published and may be used. Patch name: daab4ad4bae4ef071ed0294618d6244e92def4cd. Applying a patch is the recommended action to fix this issue.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| quickjs-ng | quickjs | 0.12.0, 0.12.1 | — |
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.
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 26.10 | quickjs | No fix yet | — |
| Ubuntu 26.04 LTS | quickjs | No fix yet | — |
| Ubuntu 25.10 | quickjs | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 24.04 LTS | quickjs | No fix yet | — |
References
- VDB-350414 | quickjs-ng quickjs quickjs.c js_iterator_concat_return use after free vdb-entry technical-description
- VDB-350414 | CTI Indicators (IOB, IOC, IOA) signature permissions-required
- Submit #769600 | quickjs-ng QuickJS 0.12.1 Use-After-Free third-party-advisory
- https://github.com/quickjs-ng/quickjs/issues/1368 issue-tracking
- https://github.com/quickjs-ng/quickjs/pull/1370 issue-tracking patch
- https://github.com/quickjs-ng/quickjs/issues/1368#issue-4004680962 exploit issue-tracking
- https://github.com/quickjs-ng/quickjs/commit/daab4ad4bae4ef071ed0294618d6244e92def4cd patch
- https://github.com/quickjs-ng/quickjs/ product