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.
Scores
CVSS v3
5.6
EPSS
0.0009
EPSS Percentile
25.3%
Attack Vector
LOCAL
CVSS:3.1/AV:L/AC:H/PR:N/UI:N/S:C/C:L/I:L/A:L
CISA SSVC
Vulnrichment
Exploitation
poc
Automatable
no
Technical Impact
partial
Details
CWE
CWE-131
Status
published
Products (2)
quickjs-ng/quickjs
< 0.9.0
quickjs_project/quickjs
< 2025-04-26
Published
Apr 27, 2025
Tracked Since
Feb 18, 2026