CVE-2026-120440: falha de média gravidade em QuickJS-NG
QuickJS-NG before 0.16.0 Memory Leak via Atomics.store
Publicada em
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13Vexday Risk Score
Sem sinal de exploração. Nenhum artefato público de exploração conhecido até agora.
ssvc Trackcvss 6.9epss 0.5%
QuickJS-NG before 0.16.0 contains a memory leak vulnerability in js_atomics_store() in quickjs.c that fails to free the converted value when returning a RangeError. Attackers running JavaScript can repeatedly call Atomics.store with a valueOf that detaches or shrinks the buffer to exhaust heap memory and cause denial of service.
CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N
Produtos afetados
quickjs-ng · QuickJS-NGCVEs relacionadas — QuickJS-NG
No mesmo produto, das mais perigosas para as menos.
Referências
https://github.com/quickjs-ng/quickjs/blob/v0.15.1/quickjs.c#L61154https://github.com/quickjs-ng/quickjs/commit/62951e1bc68711d37aad986ff84ef0fe17038a7ehttps://github.com/quickjs-ng/quickjs/releases/tag/v0.16.0https://github.com/quickjs-ng/quickjs/security/advisories/GHSA-wm7w-r6qf-3c9whttps://www.vulncheck.com/advisories/quickjs-ng-before-0.16.0-memory-leak-via-atomics-store