CVE-2025-69653: Medium severity QuickJS QuickJS vulnerability
A crafted JavaScript input can trigger an internal assertion failure in QuickJS release 2025-09-13, fixed in commit 1dbba8a88eaa40d15a8a9b70bb1a0b8fb5b552e6 (2025-12-11), in file gcdecrefchild in quickjs.c, when executed with the qjs interpreter using the -m option. This leads to an abort (SIGABRT) during garbage collection and causes a denial-of-service.
Affected Software
Event History
Frequently Asked Questions
What is the severity of CVE-2025-69653?
CVE-2025-69653 has a severity level that warrants immediate attention due to potential assertion failures and application crashes.
How do I fix CVE-2025-69653?
To fix CVE-2025-69653, update QuickJS to the version released after commit 1dbba8a88eaa40d15a8a9b70bb1a0b8fb5b552e6, specifically version 2025-12-11 or later.
What is the impact of CVE-2025-69653 on QuickJS applications?
CVE-2025-69653 can cause applications using QuickJS to abort unexpectedly when handling specific crafted JavaScript inputs.
Which version of QuickJS is vulnerable to CVE-2025-69653?
QuickJS version 2025-09-13 is vulnerable to CVE-2025-69653.
Is there a workaround for CVE-2025-69653 if I cannot update QuickJS?
There is no official workaround for CVE-2025-69653, so upgrading to the patched version is the recommended approach.