Intel

AIKIDO-2025-10822

herb is vulnerable to Denial of Service (DoS)

Denial of Service (DoS) Pre-CVE
Found by Aikido Intel before public disclosure or CVE publication.
Published Nov 19, 2025

28

Low Risk

This Affects:

RUBYherb
0.0.1 - 0.7.5
Fixed in 0.8.0
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TL;DR

Affected versions of this package are vulnerable to Denial of Service (DoS) due to a memory leak in the herb_parse and analyze.c components. An attacker can exploit this flaw by triggering repeated parsing or analysis operations, causing the application’s memory usage to grow over time. This can lead to resource exhaustion, degraded performance, or a complete service crash.

Who does this affect?

You are affected if you are using a version that falls within the vulnerable range.

Background info

herb is vulnerable to Denial of Service (DoS) in versions 0.0.1 - 0.7.5.

How to fix this

Upgrade the herb library to the patch version.