Bug 2390651 (CVE-2025-9403)

Summary: CVE-2025-9403 jq: assertion failure in run_jq_tests() of the file jq_test.c
Product: [Other] Security Response Reporter: OSIDB Bzimport <bzimport>
Component: vulnerabilityAssignee: Product Security DevOps Team <prodsec-dev>
Status: NEW --- QA Contact:
Severity: low Docs Contact:
Priority: low    
Version: unspecifiedCC: adudiak, amctagga, aoconnor, bniver, brainfor, crizzo, flucifre, gmeno, haoli, hkataria, jajackso, jcammara, jmitchel, jneedle, kegrant, koliveir, kshier, ldai, lsharar, lucarval, mabashia, mbenjamin, mhackett, omaciel, pbraun, shvarugh, simaishi, smcdonal, sostapov, stcannon, teagle, tfister, thavo, vereddy, yguenane
Target Milestone: ---Keywords: Security
Target Release: ---   
Hardware: All   
OS: Linux   
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A vulnerability has been identified in the jq JSON processor where malformed JSON input containing invalid Unicode escape sequences can trigger an assertion failure in the test suite’s parsing consistency checks. This flaw arises from inconsistencies between expected and reparsed JSON values during serialization and deserialization, potentially allowing an attacker to exploit the issue by supplying specially crafted JSON data to cause abnormal termination or denial of service during test execution, highlighting weaknesses in jq’s parsing reliability.
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oVirt Team: --- RHEL 7.3 requirements from Atomic Host:
Cloudforms Team: --- Target Upstream Version:
Embargoed:
Bug Depends On: 2390987, 2390988    
Bug Blocks:    

Description OSIDB Bzimport 2025-08-25 03:01:14 UTC
A vulnerability was determined in jqlang jq up to 1.6. Impacted is the function run_jq_tests of the file jq_test.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.