CVE-2026-90784: Dvidelabs flatcc semantics.c fb_clear_parser memory leak

Severity: medium (CVSS 5.3 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.7% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2026-09-14 · updated 2026-09-14
Weakness: CWE-401

Description

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.

Affected products

Dvidelabs flatcc: 0.6.0, 0.6.1, 0.6.2, 0.6.3

References

https://github.com/dvidelabs/flatcc/
https://github.com/dvidelabs/flatcc/commit/8dbc3419738da066151991fd2bf1d0c85591dea2
https://github.com/dvidelabs/flatcc/issues/389
https://vuldb.com/cve/CVE-2026-90784
https://vuldb.com/submit/919199
https://vuldb.com/vuln/403290
https://vuldb.com/vuln/403290/cti

Get alerted when CVE-2026-90784 or the next vulnerability affects your stack