CVE-2026-90786

MEDIUM 5.3

Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion

CVSS Score

5.3

EPSS Score

0.0%

EPSS Percentile

0th

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.

CWE	CWE-617
Vendor	dvidelabs
Product	flatcc
Published	Sep 14, 2026
Last Updated	Sep 15, 2026

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CVSS v3 Breakdown

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

Attack Vector

Attack Complexity

Privileges Required

User Interaction

Scope

Confidentiality

Integrity

Availability

Affected Versions

Dvidelabs / flatcc

0.6.0 0.6.1 0.6.2 0.6.3

References

NVD ↗ CVE.org ↗ EPSS Data ↗

vuldb.com: https://vuldb.com/vuln/403292 vuldb.com: https://vuldb.com/vuln/403292/cti vuldb.com: https://vuldb.com/cve/CVE-2026-90786 vuldb.com: https://vuldb.com/submit/919201 github.com: https://github.com/dvidelabs/flatcc/issues/387 github.com: https://github.com/jimjag/flatcc/commit/8b19ba4e992ebcad7f5970704d1afc5507fa5205 github.com: https://github.com/dvidelabs/flatcc/

Credits

🔍 lrrh (VulDB User)