CVE-2025-9403: Reachable Assertion in jqlang jq
CVE-2025-9403 is a medium severity vulnerability in the jq JSON parser up to version 1.6. It affects the run_jq_tests function in the jq_test.c file, where a reachable assertion can be triggered by a local attacker. Exploitation requires local access and no user interaction. The vulnerability has been publicly disclosed, but no official patch or remediation guidance is currently provided. Other versions beyond 1.6 might also be affected.
AI Analysis
Technical Summary
This vulnerability in jqlang jq (up to version 1.6) involves a reachable assertion failure in the run_jq_tests function within the jq_test.c source file. The flaw can be triggered by a local attacker manipulating inputs to cause an assertion to be reached, potentially leading to a denial of service or application crash. The vulnerability requires local access and does not involve user interaction or elevated privileges beyond local user rights. The CVSS 4.8 score reflects medium severity with local attack vector and low complexity.
Potential Impact
The impact is limited to local users who can execute or manipulate the jq testing function, potentially causing the application to assert and terminate unexpectedly. This may lead to denial of service conditions but does not indicate remote code execution or privilege escalation. No known exploits in the wild have been reported.
Mitigation Recommendations
No official patch or remediation has been disclosed by the vendor at this time. Since the vulnerability requires local access and affects a testing function, restricting local access to trusted users and avoiding use of vulnerable jq test components may reduce risk. Monitor the vendor advisory for updates and apply patches promptly once available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
CVE-2025-9403: Reachable Assertion in jqlang jq
Description
CVE-2025-9403 is a medium severity vulnerability in the jq JSON parser up to version 1.6. It affects the run_jq_tests function in the jq_test.c file, where a reachable assertion can be triggered by a local attacker. Exploitation requires local access and no user interaction. The vulnerability has been publicly disclosed, but no official patch or remediation guidance is currently provided. Other versions beyond 1.6 might also be affected.
CVSS v4.0
Score 4.8medium
Affected software
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
This vulnerability in jqlang jq (up to version 1.6) involves a reachable assertion failure in the run_jq_tests function within the jq_test.c source file. The flaw can be triggered by a local attacker manipulating inputs to cause an assertion to be reached, potentially leading to a denial of service or application crash. The vulnerability requires local access and does not involve user interaction or elevated privileges beyond local user rights. The CVSS 4.8 score reflects medium severity with local attack vector and low complexity.
Potential Impact
The impact is limited to local users who can execute or manipulate the jq testing function, potentially causing the application to assert and terminate unexpectedly. This may lead to denial of service conditions but does not indicate remote code execution or privilege escalation. No known exploits in the wild have been reported.
Mitigation Recommendations
No official patch or remediation has been disclosed by the vendor at this time. Since the vulnerability requires local access and affects a testing function, restricting local access to trusted users and avoiding use of vulnerable jq test components may reduce risk. Monitor the vendor advisory for updates and apply patches promptly once available. Patch status is not yet confirmed — check the vendor advisory for current remediation guidance.
Technical Details
- Data Version
- 5.1
- Assigner Short Name
- VulDB
- Date Reserved
- 2025-08-24T15:01:34.848Z
- Cvss Version
- 4.0
- State
- PUBLISHED
Threat ID: 68abcb47ad5a09ad00477636
Added to database: 08/25/2025, 02:32:39 UTC
Last enriched: 06/03/2026, 21:17:22 UTC
Last updated: 09/10/2026, 19:36:52 UTC
Views: 250
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