CVE-2026-90786
Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion
- State
- Published
- Severity
- 6.9 Medium
- Published
- Sep 14, 2026
- Updated
- Sep 15, 2026
- Reserved
- Sep 13, 2026
Description
A vulnerability was determined in Dvidelabs flatcc up to 0.6.3. This impacts the function align_order_members of the file src/compiler/semantics.c of the component Duplicate Symbol Handler. This manipulation causes reachable assertion. The attack can be initiated remotely. The exploit has been publicly disclosed and may be utilized. Patch name: 8b19ba4e992ebcad7f5970704d1afc5507fa5205. To fix this issue, it is recommended to deploy a patch.
Scores
| CVSS | Score | Vector | Source |
|---|---|---|---|
| 4.0 | 6.9 Medium | CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/E:P | VulDB |
| 3.1 | 5.3 Medium | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 3.0 | 5.3 Medium | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L/E:P/RL:O/RC:C | VulDB |
| 2.0 | 5.0 Medium | AV:N/AC:L/Au:N/C:N/I:N/A:P/E:POC/RL:OF/RC:C | VulDB |
Weaknesses
- CWE-617 Reachable Assertion
Affected Products
| Product | Versions |
|---|---|
flatccDvidelabs |
|
References
- VDB-403292 | Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertionvdb-entrytechnical-description
- VDB-403292 | CTI Indicators (IOB, IOC, IOA)signaturepermissions-required
- CVE-2026-90786 | CVE Analysis and Reportthird-party-advisory
- Submit #919201 | dvidelabs flatcc v0.6.3 Reachable Assertionthird-party-advisory
- https://github.com/dvidelabs/flatcc/issues/387exploitissue-tracking
- https://github.com/jimjag/flatcc/commit/8b19ba4e992ebcad7f5970704d1afc5507fa5205patch
- https://github.com/dvidelabs/flatcc/product
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