Bug#1104255: quickjs: CVE-2025-46687 CVE-2025-46688

[Salvatore Bonaccorso]

Source: quickjs
Version: 2024.01.13-5
Severity: grave
Tags: security upstream
Forwarded: https://github.com/bellard/quickjs/issues/399
X-Debbugs-Cc: carnil at debian.org, Debian Security Team <team at security.debian.org>

Hi,

The following vulnerabilities were published for quickjs.

Setting the severity to RC as might be worth having it adressed from
the start for the trixie release.

CVE-2025-46687[0]:
| quickjs-ng through 0.9.0 has a missing length check in JS_ReadString
| for a string, leading to a heap-based buffer overflow. QuickJS
| before 2025-04-26 is also affected.


CVE-2025-46688[1]:
| quickjs-ng through 0.9.0 has an incorrect size calculation in
| JS_ReadBigInt for a BigInt, leading to a heap-based buffer overflow.
| QuickJS before 2025-04-26 is also affected.


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

For further information see:

[0] https://security-tracker.debian.org/tracker/CVE-2025-46687
    https://www.cve.org/CVERecord?id=CVE-2025-46687
[1] https://security-tracker.debian.org/tracker/CVE-2025-46688
    https://www.cve.org/CVERecord?id=CVE-2025-46688
[2] https://github.com/bellard/quickjs/issues/399
[3] https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec9a

Regards,
Salvatore