CVE-2025-9403: jqlang jq JSON jq_test.c run_jq_tests assertion

Published Aug 25, 2025
·
Updated

A vulnerability was determined in jqlang jq up to 1.6. Impacted is the function runjqtests of the file jqtest.c of the component JSON Parser. Executing manipulation can lead to reachable assertion. The attack requires local access. The exploit has been publicly disclosed and may be utilized. Other versions might be affected as well.

Other sources

jqlang jq JSON jqtest.c runjqtests assertion

Microsoft

Affected Software

6 affected componentsFixes available
jqlang jq<=1.6
jqlang jq<=1.6
Microsoft cbl2 jq 1.6-4<1.6-5
1.6-5
Microsoft azl3 jq 1.7.1-6<1.7.1-7
1.7.1-7
Microsoft cbl2 jq 1.6-5<1.6-5
1.6-5
Microsoft azl3 jq 1.7.1-8<1.7.1-8
1.7.1-8

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.6-5
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.7.1-7
  3. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 1.7.1-8

Event History

Aug 25, 2025
CVE Published
via MITRE·02:02 AM
Data Sourced
via MITRE·02:02 AM
DescriptionSeverityWeakness
Data Sourced
via NVD·03:15 AM
DescriptionSeverityWeaknessAffected Software
Sep 4, 2025
Data Sourced
via Microsoft·06:38 AM
DescriptionSeverityWeaknessAffected Software
Updated
via Microsoft·06:38 AM
SeverityAffected Software
Updated
via Microsoft·06:38 AM
Affected Software
Updated
via Microsoft·06:38 AM
DescriptionSeverity
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Frequently Asked Questions

1

What is the severity of CVE-2025-9403?

CVE-2025-9403 has a high severity level due to its potential for local exploitation and assertion failures.

2

How do I fix CVE-2025-9403?

To fix CVE-2025-9403, upgrade jqlang jq to version 1.7 or later.

3

What components are affected by CVE-2025-9403?

CVE-2025-9403 affects the JSON Parser component within jqlang jq versions up to 1.6.

4

Is local access required to exploit CVE-2025-9403?

Yes, exploit of CVE-2025-9403 requires local access to the vulnerable system.

5

Has CVE-2025-9403 been publicly disclosed?

Yes, CVE-2025-9403 has been publicly disclosed.

Contact

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