CVE-2026-90716 Details
Description
A vulnerability was detected in marcobambini Gravity up to 0.9.7. This impacts the function parse_number_expression of the file src/compiler/gravity_parser.c of the component Number Parser. Performing a manipulation results in out-of-bounds read. It is possible to initiate the attack remotely. The exploit is now public and may be used. Upgrading to version 0.9.8 will fix this issue. The patch is named 1b9bbf3ad5749e2a3434e6ad073c6e93c24207b6. It is recommended to upgrade the affected component.
A heap out-of-bounds read vulnerability has been identified in Marcobambini Gravity versions through 0.9.7. The issue arises in the Number Parser component, specifically within the parse_number_expression function of src/compiler/gravity_parser.c. The vulnerability can be exploited remotely, leading to a deterministic one-byte heap out-of-bounds read. This could cause a crash under AddressSanitizer and potentially leak a byte from the heap or redzone in production buffers.
Users are advised to upgrade to Gravity version 0.9.8, which addresses the vulnerability by adding a bounds check before reading the prefix of number literals.
Metrics
CVSS 4.0 Severity and Vector Strings:
VolerionCVSS 3.x Severity and Vector Strings:
No data available for CVSS Version 2.0 on this CVE.
Volerion
Assessed Sep 14, 2026CISA-ADP
Assessed Sep 16, 2026References to Advisories, Solutions, and Tools
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| URL | Source(s) | Tag(s) |
|---|---|---|
| https://github.com/marcobambini/gravity/ | [email protected] | ProductVendor |
| https://github.com/marcobambini/gravity/issues/446 | [email protected] | ExploitIssue TrackingTechnical DescriptionVendor |
| https://github.com/marcobambini/gravity/pull/449 | [email protected] | Issue TrackingVendor |
| https://github.com/marcobambini/gravity/releases/tag/0.9.8 | [email protected] | Release NotesVendor |
| https://github.com/sthagen/marcobambini-gravity/commit/1b9bbf3ad5749e2a3434e6ad073c6e93c24207b6 | [email protected] | Source Code |
| https://vuldb.com/cve/CVE-2026-90716 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/submit/919190 | [email protected] | Issue TrackingPermission Required |
| https://vuldb.com/vuln/403270 | [email protected] | AdvisoryPermission Required |
| https://vuldb.com/vuln/403270/cti | [email protected] | Content Wall |
Weakness Enumeration
| CWE-ID | CWE Name | Source |
|---|---|---|
| CWE-119 | Improper Restriction of Operations within the Bounds of a Memory Buffer | [email protected] |
| CWE-125 | Out-of-bounds Read | [email protected] |
Affected Products
| Product | Versions |
|---|---|
| marcobambini Gravity | 0.9.7 (semver) |
CPE
Remediation
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Change History
2 change records found show changes
| Date | Action | Recorded By |
|---|---|---|
| Sep 16, 2026 | CVE Modified | CISA-ADP |
| Sep 14, 2026 | New CVE Received | [email protected] |