Vulnerability in Dvidelabs Flatcc
CVE-2026-90784
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.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.007 (54.0th percentile), scored .
Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 54th percentile — 54.0% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000
Affected products
- Dvidelabs Flatcc — versions 0.6.0, 0.6.1, 0.6.2
Weakness classification (CWE)
References
- github.com/dvidelabs/flatcc/ (product)
- github.com/dvidelabs/flatcc/commit/8dbc3419738da066151991fd2bf1d0c85591dea2 (patch)
- github.com/dvidelabs/flatcc/issues/389 (issue-tracking, exploit)
- vuldb.com/cve/CVE-2026-90784 (third-party-advisory)
- vuldb.com/submit/919199 (third-party-advisory)
- vuldb.com/vuln/403290 (technical-description, vdb-entry)
- vuldb.com/vuln/403290/cti (signature, permissions-required)
Frequently asked questions
- What is CVE-2026-90784?
- CVE-2026-90784 is a medium-severity vulnerability in Dvidelabs Flatcc, classified under Missing Release of Memory after Effective Lifetime. CVSS score: 5.3/10. Published 2026-09-14.
- How severe is CVE-2026-90784?
- Medium severity. CVSS v3 base score is 5.3 out of 10.