CVE-2026-90715

marcobambini Gravity udp json-parser gravity_json.c integer overflow

State: Published
Severity: 6.9 Medium
Published: Sep 14, 2026
Updated: Sep 14, 2026
Reserved: Sep 13, 2026

Description

A security vulnerability has been detected in marcobambini Gravity up to 0.9.7. This affects an unknown function of the file src/utils/gravity_json.c of the component udp json-parser. Such manipulation leads to integer overflow. The attack may be performed from remote. The exploit has been disclosed publicly and may be used. Upgrading to version 0.9.8 mitigates this issue. The name of the patch is 9b337c3eae5833c3956bed1fc01c21c14fd443f2. Upgrading the affected component is recommended.

Scores

CVSS	Score	Vector	Source
4.0	6.9 Medium	CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:L/VI:L/VA:L/SC:N/SI:N/SA:N/E:P	VulDB
3.1	7.3 High	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
3.0	7.3 High	CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L/E:P/RL:O/RC:C	VulDB
2.0	7.5 High	AV:N/AC:L/Au:N/C:P/I:P/A:P/E:POC/RL:OF/RC:C	VulDB

Weaknesses

CWE-190 Integer Overflow
CWE-189 Numeric Error

Affected Products

Product	Versions
Gravitymarcobambini	0.9.0Affected 0.9.1Affected 0.9.2Affected 0.9.3Affected 0.9.4Affected 0.9.5Affected 0.9.6Affected 0.9.7Affected 0.9.8Not affected

References

VDB-403269 | marcobambini Gravity udp json-parser gravity_json.c integer overflowvdb-entry
VDB-403269 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
CVE-2026-90715 | CVE Analysis and Reportthird-party-advisory
Submit #919189 | marcobambini gravity v0.9.7 Heap-based Buffer Overflowthird-party-advisory
https://github.com/marcobambini/gravity/issues/447exploitissue-tracking
https://github.com/marcobambini/gravity/pull/451issue-trackingpatch
https://github.com/sthagen/marcobambini-gravity/commit/9b337c3eae5833c3956bed1fc01c21c14fd443f2patch
https://github.com/marcobambini/gravity/releases/tag/0.9.8patch
https://github.com/marcobambini/gravity/product

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