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TI-2026-61691 Aliases CVE-2026-90784GHSA-7xqv-gc79-6hf3

Dvidelabs flatcc semantics.c fb_clear_parser memory leak

Priority HIGH 70CWE-401Published · 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-401.

Summary

A vulnerability has been found in Dvidelabs flatcc up to 0.6.3. The impacted element is the function fb_clear_parser of the file src/Compiler/semantics.c. The manipulation leads to memory leak. It is possible to initiate the attack remotely. The exploit has been disclosed to the public and may be used. The identifier of the patch is 8dbc3419738da066151991fd2bf1d0c85591dea2. It is suggested to install a patch to address 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-2026-90784
  2. 2026-10-03 Alias added: GHSA-7xqv-gc79-6hf3

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-2026-61692 Dvidelabs flatcc Struct Analysis semantics.c analyze_struct assertion 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