CVE-2026-90785 Dvidelabs flatcc Struct Analysis semantics.c analyze_struct assertion
A reachable assertion in the flatcc compiler allows remote attackers to cause a denial of service via crafted input.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2026-90785?
CVE-2026-90785 is a medium-severity denial of service vulnerability in Dvidelabs flatcc, published on 14 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
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.
Weakness: CWE-617
Which versions are affected by CVE-2026-90785?
How do I fix CVE-2026-90785?
No fix has been published for CVE-2026-90785 yet. Limit exposure of the affected software until one is available.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2026-90785 being exploited?
It is not confirmed as exploited in the wild, but public exploit code for CVE-2026-90785 exists.
Sources
Also known as GHSA-q8j4-vfvg-jrfr.