marcobambini Gravity up to 0.9.7 JSON parser src/utils/gravity_json.c memory corruption

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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5.7$0-$5k1.16-

Summaryinfo

A vulnerability described as critical has been identified in marcobambini Gravity up to 0.9.7. This affects an unknown function of the file src/utils/gravity_json.c of the component JSON parser. Such manipulation leads to memory corruption. This vulnerability is listed as CVE-2026-90714. The attack may be performed from remote. In addition, an exploit is available. Upgrading the affected component is recommended.

Detailsinfo

A vulnerability was found in marcobambini Gravity up to 0.9.7 and classified as critical. Affected by this issue is an unknown code block of the file src/utils/gravity_json.c of the component JSON parser. The manipulation with an unknown input leads to a memory corruption vulnerability. Using CWE to declare the problem leads to CWE-119. The product performs operations on a memory buffer, but it can read from or write to a memory location that is outside of the intended boundary of the buffer. Impacted is confidentiality, integrity, and availability.

The advisory is shared for download at github.com. This vulnerability is handled as CVE-2026-90714. The exploitation is known to be easy. The attack may be launched remotely. Technical details as well as a public exploit are known.

The exploit is available at github.com. It is declared as proof-of-concept.

Upgrading to version 0.9.8 eliminates this vulnerability. The upgrade is hosted for download at github.com. Applying the patch 9b337c3eae5833c3956bed1fc01c21c14fd443f2 is able to eliminate this problem. The bugfix is ready for download at github.com. The best possible mitigation is suggested to be upgrading to the latest version.

Once again VulDB remains the best source for vulnerability data.

Productinfo

Vendor

Name

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: 5.7

VulDB Base Score: 6.3
VulDB Temp Score: 5.7
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: Memory corruption
CWE: CWE-119
CAPEC: 🔒
ATT&CK: 🔒

Physical: No
Local: No
Remote: Yes

Availability: 🔒
Access: Public
Status: Proof-of-Concept
Download: 🔒
Price Prediction: 🔍
Current Price Estimation: 🔒

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Threat Intelligenceinfo

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

Countermeasuresinfo

Recommended: Upgrade
Status: 🔍

0-Day Time: 🔒

Upgrade: Gravity 0.9.8
Patch: 9b337c3eae5833c3956bed1fc01c21c14fd443f2

Timelineinfo

09/13/2026 Advisory disclosed
09/13/2026 +0 days VulDB entry created
09/13/2026 +0 days VulDB entry last update

Sourcesinfo

Product: github.com

Advisory: 448
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-90714 (🔒)
GCVE (CVE): GCVE-0-2026-90714
GCVE (VulDB): GCVE-100-403268
scip Labs: https://www.scip.ch/en/?labs.20161013

Entryinfo

Created: 09/13/2026 11:58
Changes: 09/13/2026 11:58 (62)
Complete: 🔍
Submitter: lrrh
Cache ID: 216::103

Submitinfo

Accepted

  • Submit #919185: marcobambini gravity v0.9.7 Out-of-bounds Pointer Arithmetic (by lrrh)

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