CVE-2026-90784 (CVSS 5.3)

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.

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CVSS v3.1 Score

5.3

MEDIUM

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L

EPSS — Exploit Prediction

0.0042

Probability of exploitation

0.36%

Percentile rank

EPSS estimates the probability that this vulnerability will be exploited in the wild within the next 30 days. A higher score means more likely to be exploited.

Weakness Type (CWE)

CWE-401 CWE-401

CWE-404 CWE-404

References

Other 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

Frequently Asked Questions

What is 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. It has a CVSS v3.1 base score of 5.3 (MEDIUM).

How severe is CVE-2026-90784? +

CVE-2026-90784 has a CVSS v3.1 score of 5.3 out of 10, rated MEDIUM. This is a medium-severity vulnerability that should be remediated as part of regular maintenance. The EPSS score is 0.0042, placing it in the 0th percentile for exploitation probability.

How do I check if I'm vulnerable to CVE-2026-90784? +

You can use Secably's free Website Scanner to check your website for known vulnerabilities. For infrastructure scanning, use the Port Scanner to identify exposed services that may be affected. Check the vendor advisories linked above for specific patch and version information.

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