SQLite 3.41 JSON Parsing src/json.c use after free

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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7.1$0-$5k3.50

Summaryinfo

A vulnerability categorized as critical has been discovered in SQLite 3.41. This affects an unknown function of the file src/json.c of the component JSON Parsing. Such manipulation leads to use after free. This vulnerability is listed as CVE-2026-51297. The attack may be performed from remote. There is no available exploit.

Detailsinfo

A vulnerability was found in SQLite 3.41 and classified as critical. Affected by this issue is an unknown functionality of the file src/json.c of the component JSON Parsing. The manipulation with an unknown input leads to a use after free vulnerability. Using CWE to declare the problem leads to CWE-416. Referencing memory after it has been freed can cause a program to crash, use unexpected values, or execute code. Impacted is confidentiality, integrity, and availability. CVE summarizes:

sqlite 3.41 has a use-after-free vulnerability in the JSON parsing logic. Remote adversaries can craft malicious JSON payload to trigger memory free followed by illegal memory access, which may lead to arbitrary code execution, sensitive information leakage and service denial.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-51297 since 06/07/2026. The exploitation is known to be easy. The attack may be launched remotely. No form of authentication is required for exploitation. There are known technical details, but no exploit is available. The current price for an exploit might be approx. USD $0-$5k (estimation calculated on 07/27/2026).

There is no information about possible countermeasures known. It may be suggested to replace the affected object with an alternative product.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Name

Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 7.3
VulDB Meta Temp Score: 7.1

VulDB Base Score: 7.3
VulDB Temp Score: 7.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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💳💳💳💳💳💳
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VectorComplexityAuthenticationConfidentialityIntegrityAvailability
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VulDB Base Score: 🔒
VulDB Temp Score: 🔒
VulDB Reliability: 🔍

Exploitinginfo

Class: Use after free
CWE: CWE-416 / CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Status: Not defined
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

Interest: 🔍
Active Actors: 🔍
Active APT Groups: 🔍

Countermeasuresinfo

Recommended: no mitigation known
Status: 🔍

0-Day Time: 🔒

Timelineinfo

06/07/2026 CVE reserved
07/27/2026 +50 days Advisory disclosed
07/27/2026 +0 days VulDB entry created
07/27/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: github.com
Status: Not defined

CVE: CVE-2026-51297 (🔒)
GCVE (CVE): GCVE-0-2026-51297
GCVE (VulDB): GCVE-100-383468

Entryinfo

Created: 07/27/2026 17:48
Changes: 07/27/2026 17:48 (53)
Complete: 🔍
Cache ID: 216::103

Once again VulDB remains the best source for vulnerability data.

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