Buffer overflow in Quickjs-ng Quickjs

CVE-2026-1145

A flaw has been found in quickjs-ng quickjs up to 0.11.0. Affected by this vulnerability is the function js_typed_array_constructor_ta of the file quickjs.c. This manipulation causes heap-based buffer overflow. The attack is possible to be…

Vulnerability class: Buffer Overflow

EPSS: 0.002 (36.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2026-1145?
CVE-2026-1145 is a medium-severity vulnerability in Quickjs-ng Quickjs, classified under Improper Restriction of Operations within the Bounds of a Memory Buffer. CVSS score: 6.3/10. Published 2026-01-19.
How severe is CVE-2026-1145?
Medium severity. CVSS v3 base score is 6.3 out of 10.