CVE-2026-0821
Description
A vulnerability was determined in quickjs-ng quickjs up to 0.11.0. This vulnerability affects the function js_typed_array_constructor of the file quickjs.c. Executing a manipulation can lead to heap-based buffer overflow. The attack may be launched remotely. The exploit has been publicly disclosed and may be utilized. This patch is called c5d80831e51e48a83eab16ea867be87f091783c5. A patch should be applied to remediate this issue.
Predictions
Heuristic predictions, AS-IS, for prioritization only.
Mitigations
No mitigations published for this CVE yet.
The vendor-content worker queues fetches as references arrive (check back in a few minutes). Or — if you've already worked around this in production — publish your fix to the community-verified tier.
✚ Propose a mitigation on Community → Mitigations published via the community go through AI scoring + 2 human reviewers + 7-day silent objection window before landing here withsource_tier=community-verified.
OS impact
Debian Affected 3 releases
| Version | Status | Fixed in |
|---|---|---|
| trixie | Affected | — |
| sid | Affected | — |
| forky | Affected | — |
Application impact
| Vendor | Product | Versions | Fixed |
|---|---|---|---|
| quickjs-ng | quickjs | {"endIncluding":"0.11.0"} | |
References
- https://github.com/quickjs-ng/quickjs/
- https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5
- https://github.com/quickjs-ng/quickjs/issues/1296
- https://github.com/quickjs-ng/quickjs/issues/1296#issue-3780003395
- https://github.com/quickjs-ng/quickjs/pull/1299
- https://vuldb.com/?ctiid.340355
- https://vuldb.com/?id.340355
- https://vuldb.com/?submit.731780
- https://security-tracker.debian.org/tracker/CVE-2026-0821
CWEs
CWE-119 CWE-122
Community-verified mitigations for this CVE will appear above when contributors publish them.
Verify integrity in audit chain (admin only). AS-IS.