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CVE-2026-90786

Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion

CVSS 4.0 6.9 MEDIUMCVSS 3.1 5.3 MEDIUMCVSS 3.0 5.3 MEDIUMCVSS 2.0 5.0 Check source for fixed versionsKEV status unknown

Original advisory

Historical advisory recorded 23 Oct 2026 15:48:27 UTC. Read the latest advisory.

cve-program · CVE-2026-90786

Published

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.

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-90786

Published

flatcc

Vendor product

Publisher's version information

Shown as published. These rules are not interpreted as NuGet package version ranges.

{
                    "vendor": "Dvidelabs",
                    "product": "flatcc",
                    "versions": [
                        {
                            "version": "0.6.0",
                            "status": "affected"
                        },
                        {
                            "version": "0.6.1",
                            "status": "affected"
                        },
                        {
                            "version": "0.6.2",
                            "status": "affected"
                        },
                        {
                            "version": "0.6.3",
                            "status": "affected"
                        }
                    ],
                    "cpes": [
                        "cpe:2.3:a:dvidelabs:flatcc:*:*:*:*:*:*:*:*"
                    ],
                    "modules": [
                        "Duplicate Symbol Handler"
                    ]
                }

Original source record · Cite this exact observation · Complete original publisher JSON