High [CVE-2026-51297] Arbitrary code execution via use-after-free in JSON parsing
This high-severity Red Hat Linux advisory covers CVE-2026-51297 affecting Red Hat Hardened Images.
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Summary
A flaw was found in sqlite. This use-after-free vulnerability in the JSON parsing logic allows remote attackers to craft malicious JSON payloads.
This can trigger memory deallocation followed by illegal memory access, potentially leading to arbitrary code execution, sensitive information leakage, or denial of service. Red Hat Product Security has evaluated CVE-2026-51297, 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. Affected Red Hat products: Red Hat Hardened Images.
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 OpenShift Container Platform 4 as not affected. Red Hat fixing advisory: RHSA-2026:45779.
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 2 months ago·verify at source
- sqlite-main-3.53.4-0.1.hum1
- RHSA-2026:45779
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
Mitigation
Upgrade to a fixed release: sqlite-main-3.53.4-0.1.hum1, RHSA-2026:45779. That is the remediation for this advisory.
The vendor advisory may list interim mitigations or workarounds not captured here. Review it before change work.
Official advisory · high-confidence parse· fetched 2 months ago·verify at source
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