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TI-2026-61693 Aliases CVE-2026-90786GHSA-xqgm-rj39-m8r4

Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members assertion

Priority HIGH 70CWE-617Published · Updated

Key facts

Attack vector
Network
Privileges required
None
User interaction
None
Attack complexity
Low
Attack requirements
None
Impact type
Denial of service
Confidentiality · integrity · availability
None · None · Low
Fix status
No fix listed

Attack profile from CVSS 4.0 · CNA. Fix status from CNA. Impact type from CWE-617.

Summary

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.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV
EPSS 0.00724 54th percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by the CNA
Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation
Poc
Automatable
Yes
Technical impact
Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

VendorProductAffected versionsFixed inStatusSource
Dvidelabsflatcc0.6.0; 0.6.1; 0.6.2; 0.6.3—No fix listedCNA
  • flatcc VendorDvidelabs Affected 0.6.0; 0.6.1; 0.6.2; 0.6.3 Fixed in — No fix listed CNA

CPE names CNA · 1

CPEVersionsRoleVendor
cpe:2.3:a:dvidelabs:flatcc:*:*:*:*:*:*:*:*——Dvidelabs
  • cpe:2.3:a:dvidelabs:flatcc:*:*:*:*:*:*:*:* Versions — — ·Dvidelabs

Remediation

No fixed version listed by the sources yet.

Timeline

  1. 2026-10-02 Threatist record created from CVE-2026-90786
  2. 2026-10-03 Alias added: GHSA-xqgm-rj39-m8r4

References

Exploit 1

Patch 1

Other 1

  • TI-2026-61692 Dvidelabs flatcc Struct Analysis semantics.c analyze_struct assertion CVSS 4.0MEDIUM 6.9
  • TI-2026-61691 Dvidelabs flatcc semantics.c fb_clear_parser memory leak CVSS 4.0MEDIUM 6.9
  • TI-2026-80942 flatcc Out-of-Bounds Read via __flatcc_json_parser_number CVSS 4.0MEDIUM 6.3
  • TI-2026-80943 Integer overflow in flatcc verifier causes out-of-bounds read CVSS 4.0MEDIUM 6.3

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences