Vulnerability · Published Mar 6, 2026 · Assigned by mitre
CVE-2025-69653
Medium 6.5
In plain English
A medium-severity security flaw in the quickjs package (Debian). Proof-of-concept exploit code is public. The chance it is exploited in the next 30 days is estimated at 0.3% (higher than 17% of all known vulnerabilities).
Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)0.3%top 82.7% of all CVEs
Exploited in the wildNo reportsCISA SSVC: poc
Attack toolingNoneno public tooling known
Official description
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 gc_decref_child 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:13 | quickjs | no fix listed | DEBIAN-CVE-2025-69653 |
| Debian:14 | quickjs | no fix listed | DEBIAN-CVE-2025-69653 |
| Ubuntu:25.10 | quickjs | no fix listed | UBUNTU-CVE-2025-69653 |
| Ubuntu:26.04:LTS | quickjs | no fix listed | UBUNTU-CVE-2025-69653 |
| Ubuntu:26.10 | quickjs | no fix listed | UBUNTU-CVE-2025-69653 |
Affected products (as reported)
Weakness: CWE-617 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H