High [CVE-2026-120194] infinite loop in json_path_query with negative JSONPath slice step
This high-severity Red Hat Linux advisory covers CVE-2026-120194; related products: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 8.
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Summary
infinite loop in json_path_query() with negative JSONPath slice step. Red Hat rates this important (CVSS 7.5).
Weakness: CWE-835.
Affected products named by the advisory: Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; and 4 more.
Affected products named by the advisory: Red Hat OpenShift Container Platform 4; Red Hat package: json-glib-devel; Red Hat package: json-glib.src; Red Hat package: json-glib-tests.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative. Check it before change work.
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Fixed versions
No fixed release is recorded yet. That does not prove no patch exists. Confirm against the vendor advisory.
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
Mitigation checklist
- Do not evaluate untrusted JSONPath expressions with json_path_query() or json_path_compile()/json_path_match() until a fix is available. Prefer fixed, application-defined path expressions. In particular, reject or avoid slice expressions that specify a negative step.
Official advisory · high-confidence parse· fetched 5 hours ago·verify at source
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