CVE-2026-51297
Description
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.
Statement
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 (https://sqlite.org/forum/forumpost/e2b966c8fc). This CVE has been marked as Rejected by the assigning CNA.
Understanding the Weakness (CWE)
Confidentiality
Technical Impact: Read Memory
If the expired pointer is used in a read operation, an attacker might be able to control data read in by the application.
Availability
Technical Impact: DoS: Crash, Exit, or Restart
If the expired pointer references a memory location that is not accessible to the product, or points to a location that is "malformed" (such as NULL) or larger than expected by a read or write operation, then a crash may occur.
Integrity,Confidentiality,Availability
Technical Impact: Execute Unauthorized Code or Commands
If the expired pointer is used in a function call, or points to unexpected data in a write operation, then code execution may be possible.
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