Bug#1126755: quickjs: CVE-2026-0821

[Salvatore Bonaccorso]

Source: quickjs
Version: 2025.04.26-1
Severity: important
Tags: security upstream
Forwarded: https://github.com/quickjs-ng/quickjs/issues/1296
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerability was published for quickjs.

CVE-2026-0821[0]:
| 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.


If you fix the vulnerability please also make sure to include the
CVE (Common Vulnerabilities & Exposures) id in your changelog entry.

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2026-0821
    https://www.cve.org/CVERecord?id=CVE-2026-0821
[1] https://github.com/quickjs-ng/quickjs/issues/1296
[2] https://github.com/quickjs-ng/quickjs/pull/1299
[3] https://github.com/quickjs-ng/quickjs/commit/c5d80831e51e48a83eab16ea867be87f091783c5

Regards,
Salvatore