CVE-2025-46688

MEDIUM
Published Apr 27, 2025 Modified May 30, 2025 CWE-131

Description

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.

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CVSS v3.1 Score

5.6
MEDIUM
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L

Weakness Type (CWE)

CWE-131 CWE-131

Affected Products

Vendor Product
quickjs-ng quickjs
quickjs_project quickjs

References

Frequently Asked Questions

What is CVE-2025-46688? +
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. It has a CVSS v3.1 base score of 5.6 (MEDIUM).
How severe is CVE-2025-46688? +
CVE-2025-46688 has a CVSS v3.1 score of 5.6 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance.
What products are affected by CVE-2025-46688? +
CVE-2025-46688 affects products from quickjs-ng, quickjs_project, specifically: quickjs. Check the affected products table above for specific version ranges.
How do I check if I'm vulnerable to CVE-2025-46688? +
You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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