marcobambini Gravity up to 0.9.7 udp json-parser src/utils/gravity_json.c integer overflow

CVSS Meta Temp Score
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Current Exploit Price (≈)
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CTI Interest Score
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6.6$0-$5k1.55-

Summaryinfo

A vulnerability classified as critical has been found in marcobambini Gravity up to 0.9.7. This impacts an unknown function of the file src/utils/gravity_json.c of the component udp json-parser. Performing a manipulation results in integer overflow. This vulnerability is cataloged as CVE-2026-90715. It is possible to initiate the attack remotely. Furthermore, there is an exploit available. It is recommended to upgrade the affected component.

Detailsinfo

A vulnerability was found in marcobambini Gravity up to 0.9.7. It has been classified as critical. This affects some unknown processing of the file src/utils/gravity_json.c of the component udp json-parser. The manipulation with an unknown input leads to a integer overflow vulnerability. CWE is classifying the issue as CWE-190. The product performs a calculation that can produce an integer overflow or wraparound, when the logic assumes that the resulting value will always be larger than the original value. This can introduce other weaknesses when the calculation is used for resource management or execution control. This is going to have an impact on confidentiality, integrity, and availability.

The advisory is shared at github.com. This vulnerability is uniquely identified as CVE-2026-90715. The exploitability is told to be easy. It is possible to initiate the attack remotely. No form of authentication is needed for exploitation. Technical details and a public exploit are known.

The exploit is shared for download 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.

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Productinfo

Vendor

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: 6.6

VulDB Base Score: 7.3
VulDB Temp Score: 6.6
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: Integer overflow
CWE: CWE-190 / CWE-189
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: 447
Status: Confirmed
Confirmation: 🔒

CVE: CVE-2026-90715 (🔒)
GCVE (CVE): GCVE-0-2026-90715
GCVE (VulDB): GCVE-100-403269
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 #919189: marcobambini gravity v0.9.7 Heap-based Buffer Overflow (by lrrh)

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