CVE-2026-90786

Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion

MEDIUM
5.3
CVSS Score
Published: September 14, 2026 at 01:30 PM UTC
Updated: September 15, 2026 at 04:17 PM UTC
1 product affected across 1 vendorFlatcc

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Severity
MEDIUM5.3
Exploit prediction
EPSS 0.7%
SSVC
PoC

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.

Affected

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

References (7)

VDB EntryTechnical Description
Source: cverecord
https://vuldb.com/vuln/403292
SignaturePermissions Required
Source: cverecord
https://vuldb.com/vuln/403292/cti
Third Party Advisory
Source: cverecord
https://vuldb.com/cve/CVE-2026-90786
Third Party Advisory
Source: cverecord
https://vuldb.com/submit/919201
ExploitIssue Tracking
Source: cverecord
https://github.com/dvidelabs/flatcc/issues/387
Product
Source: cverecord
https://github.com/dvidelabs/flatcc/

SSVC — Action Prioritization

SSVCPoCAutomatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

5.3MEDIUMVulDB
Vector?

Quick Info

StatusDEFERRED
CWE
CWE-617

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