CVE-2025-46687

Description

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.

Affected Platforms

Weakness Type

CWE-770

References

• https://bellard.org/quickjs/Changelog
• https://github.com/bellard/quickjs/commit/1eb05e44fad89daafa8ee3eb74b8520b4a37ec…
• https://github.com/bellard/quickjs/issues/399
• https://github.com/quickjs-ng/quickjs/commit/28fa43d3ddff2c1ba91b6e3a788b2d7ba82…
• https://github.com/quickjs-ng/quickjs/issues/1018
• https://github.com/quickjs-ng/quickjs/pull/1020