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Vulnerability · Published Jan 19, 2026 · Assigned by VulDB

CVE-2026-1145quickjs-ng quickjs quickjs.c js_typed_array_constructor_ta heap-based overflow

Medium 6.3

In plain English

A medium-severity heap buffer overflow in quickjs from quickjs-ng. Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.4% (higher than 35% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.3Medium
Exploit odds (30 days)0.4%top 65.2% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known

Official description

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 carried out remotely. The exploit has been published and may be used. Patch name: 53aebe66170d545bb6265906fe4324e4477de8b4. It is suggested to install a patch to address this issue.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
Alpine:v3.23quickjs-ng0.11.0-r1ALPINE-CVE-2026-1145
Alpine:v3.24quickjs-ng0.11.0-r2ALPINE-CVE-2026-1145
Debian:13quickjsno fix listedDEBIAN-CVE-2026-1145
Debian:14quickjsno fix listedDEBIAN-CVE-2026-1145

Affected products (as reported)

VendorProductVersions
quickjs-ng quickjs 0.10.20.30.40.50.60.70.8

Weakness: CWE-122, CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C

References