Improper handling of highly compressed data in devalue - #VU151498

 

Improper handling of highly compressed data in devalue - #VU151498

Published: September 21, 2026


Vulnerability identifier: #VU151498
CSH Severity: Low
CVSS v4: 2 [CVSS:4.0/AV:L/AC:L/AT:P/PR:L/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N]
CVE-ID: N/A
CWE-ID: CWE-409
Exploitation vector: Local access
Exploit availability: No public exploit available

Vulnerability details

The vulnerability allows a local user to cause a denial of service.

The vulnerability exists due to improper handling of data amplification in the uneval function when serializing data previously processed by parse. A local user can provide data containing repeated primitive strings to cause a denial of service.

Exploitation is possible only under very constrained circumstances.


Affected software

devalue

Remediation

Install security update from vendor's website.

devalue - update to 5.9.3

External References

Related Security Bulletins