CVE-2025-69654 Denial of service in n/a

High 7.5 Published 6 Mar 2026 Updated 12 Mar 2026

Crafted JavaScript input with low memory limits causes an assertion failure and crash in the QuickJS interpreter, leading to denial of service.

Exploited in the wild: Not known
Login needed: Not needed
Attackable: Over the internet
Victim action needed: Not needed
Fix: None listed

What is CVE-2025-69654?

CVE-2025-69654 is a high-severity denial of service vulnerability in n/a, published on 6 Mar 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

A crafted JavaScript input executed with the QuickJS release 2025-09-13, fixed in commit fcd33c1afa7b3028531f53cd1190a3877454f6b3 (2025-12-11),`qjs` interpreter using the `-m` option and a low memory limit can cause an out-of-memory condition followed by an assertion failure in JS_FreeRuntime (list_empty(&rt->gc_obj_list)) during runtime cleanup. Although the engine reports an OOM error, it subsequently aborts with SIGABRT because the GC object list is not fully released. This results in a denial of service.

Weakness: CWE-400

Which versions are affected by CVE-2025-69654?

It affects 1 product.

Products include Quickjs Project Quickjs.

How do I fix CVE-2025-69654?

No fix has been published for CVE-2025-69654 yet. Limit exposure of the affected software until one is available.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is CVE-2025-69654 being exploited?

It is not confirmed as exploited in the wild, but public exploit code for CVE-2025-69654 exists.

Sources

Also known as DEBIAN-CVE-2025-69654, GHSA-ccrw-5hmv-8m52, UBUNTU-CVE-2025-69654.