CVE Catalog

CVE-2026-9521

HighCVSS 7.3
Published: Updated: Translated: NVD NIST

Exploitation Probability (EPSS)

Low risk
0.40%

33th percentile - higher than 33% of all known CVEs

Summary

The bitsery library (fraillt) up to version 5.2.4 has a vulnerability in the loadFromSharedState function in include/bitsery/ext/std_smart_ptr.h, due to improper validation of input type. Remote attack possible. Exploit publicly disclosed. Fixed in version 5.2.5.

Risk Assessment

An attacker can remotely exploit this to compromise data integrity or cause unexpected behavior in applications using bitsery.

Recommendation

Update the bitsery library to version 5.2.5 or later.

Related vulnerabilities

Original NVD description (English source)

A security vulnerability has been detected in fraillt bitsery up to 5.2.4. Affected is the function loadFromSharedState in the library include/bitsery/ext/std_smart_ptr.h. Such manipulation leads to improper validation of specified type of input. It is possible to launch the attack remotely. The exploit has been disclosed publicly and may be used. Upgrading to version 5.2.5 is able to address this issue. The name of the patch is 66d16516e24893bebc1c8af52bf2fe9ad0735061. Upgrading the affected component is advised.

Vulnerability data from NVD (NIST) · CISA KEV · EPSS