SB2025061929 - Use-after-free in jqlang jq
Published: June 19, 2025 Updated: August 19, 2026
Security Bulletin ID
SB2025061929
CSH Severity
High
Patch available
YES
Number of vulnerabilities
1
Exploitation vector
Remote access
Highest impact
Code execution
Breakdown by Severity
- Low
- Medium
- High
- Critical
Description
This security bulletin contains information about 1 vulnerability.
1) Use-after-free (CVE-ID: CVE-2025-49014)
CWE-ID: CWE-416 - Use After Free
CVSSv4: 8.4 [CVSS:4.0/AV:L/AC:L/AT:N/PR:N/UI:A/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N]
The vulnerability allows a remote attacker to compromise vulnerable system.
The vulnerability exists due to a use-after-free error within the f_strflocaltime() function in /src/builtin.c. A remote attacker can trick the victim into passing a specially crafted JSON file to the application, trigger a heap use-after-free error and execute arbitrary code on the system.
Remediation
Install update from vendor's website.