CVE-2026-0821

Name	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.
Source	CVE (at NVD; CERT, ENISA, LWN, oss-sec, fulldisc, Debian ELTS, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
Debian Bugs	1126755

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
quickjs (PTS)	forky, sid, trixie	2025.04.26-1	vulnerable

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Urgency	Origin	Debian Bugs
quickjs	source	(unstable)	(unfixed)			1126755

Notes

[trixie] - quickjs <no-dsa> (Minor issue)
https://github.com/quickjs-ng/quickjs/issues/1296
https://github.com/quickjs-ng/quickjs/pull/1299
Fixed by: https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5