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TI-2026-61692 Aliases CVE-2026-90785GHSA-q8j4-vfvg-jrfr

Dvidelabs flatcc Struct Analysis semantics.c analyze_struct 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 found in Dvidelabs flatcc up to 0.6.3. This affects the function analyze_struct of the file src/compiler/semantics.c of the component Struct Analysis. The manipulation results in reachable assertion. It is possible to launch the attack remotely. The exploit has been made public and could be used. The patch is identified as f705032346ee39efd7d3848c50b73d455d28d06d. A patch should be applied to remediate this issue.

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-2026-90785
  2. 2026-10-03 Alias added: GHSA-q8j4-vfvg-jrfr

References

Exploit 1

Patch 1

Other 1

  • TI-2026-61693 Dvidelabs flatcc Duplicate Symbol semantics.c align_order_members 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