High [CVE-2026-51296] Use-after-free vulnerability leads to denial of service and information disclosure
This high-severity Red Hat Linux advisory covers CVE-2026-51296.
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Summary
A flaw was found in SQLite. A use-after-free vulnerability in the SQLite JSON module's jsonRemoveFunc allows a remote attacker to cause a denial of service by crashing the service.
This vulnerability can also lead to the disclosure of sensitive heap memory information. Red Hat Product Security has evaluated CVE-2026-51296, which claims a Use-After-Free vulnerability in SQLite.
After conducting independent analysis of the affected SQLite versions, Red Hat has determined that this vulnerability does not affect our products. SQLite upstream have confirmed this CVE as fictitious ( ).
This CVE has been marked as Rejected by the assigning CNA. Red Hat severity: not rated.
Weakness: CWE-825. Red Hat lists Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 6; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; Red Hat Enterprise Linux 9; Red Hat Enterprise Linux AI (RHEL AI) 3; Red Hat Hardened Images; Red Hat OpenShift Container Platform 4 as not affected.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · medium-confidence parse· fetched 12 days 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 · medium-confidence parse· fetched 12 days ago·verify at source
Mitigation
The source record does not include mitigation steps. That is not a statement that no fix exists — read the vendor advisory below for the authoritative guidance.
Official advisory · medium-confidence parse· fetched 12 days ago·verify at source
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