SQLite 3.41 JSON module src/json.c jsonRemoveFunc 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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6.1$0-$5k3.49-

Summaryinfo

A vulnerability marked as critical has been reported in SQLite 3.41. Affected by this vulnerability is the function jsonRemoveFunc of the file src/json.c of the component JSON module. The manipulation leads to use after free. This vulnerability is documented as CVE-2026-51296. The attack can be initiated remotely. There is not any exploit available.

Detailsinfo

A vulnerability was found in SQLite 3.41. It has been rated as critical. This issue affects the function jsonRemoveFunc of the file src/json.c of the component JSON module. 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. The summary by CVE is:

SQLite 3.41 has a use-after-free vulnerability in jsonRemoveFunc of SQLite JSON module. The parsed JSON object is freed at line 3555, while line 3575 still calls jsonLookupStep with the released pointer. Remote attackers can exploit this flaw to crash the service and leak heap memory information.

It is possible to read the advisory at github.com. The identification of this vulnerability is CVE-2026-51296 since 06/07/2026. The exploitation is known to be easy. The attack may be initiated remotely. Technical details of the vulnerability are known, but there is no available exploit. The pricing for an exploit might be around USD $0-$5k at the moment (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.

Be aware that VulDB is the high quality source for vulnerability data.

Productinfo

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Version

License

Website

CPE 2.3info

CPE 2.2info

CVSSv4info

VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv3info

VulDB Meta Base Score: 6.3
VulDB Meta Temp Score: 6.1

VulDB Base Score: 6.3
VulDB Temp Score: 6.1
VulDB Vector: 🔒
VulDB Reliability: 🔍

CVSSv2info

AVACAuCIA
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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-2026-51296 (🔒)
GCVE (CVE): GCVE-0-2026-51296
GCVE (VulDB): GCVE-100-383471

Entryinfo

Created: 07/27/2026 17:51
Changes: 07/27/2026 17:51 (54)
Complete: 🔍
Cache ID: 216::103

Be aware that VulDB is the high quality source for vulnerability data.

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