CVE-2019-25043

MEDIUM

ModSecurity <3.0.4 - Buffer Overflow

Title source: llm

Description

ModSecurity 3.x before 3.0.4 mishandles key-value pair parsing, as demonstrated by a "string index out of range" error and worker-process crash for a "Cookie: =abc" header.

References (1)

[Exploit, Third Party Advisory] https://github.com/SpiderLabs/ModSecurity/issues/2566

Scores

CVSS v3 5.3

EPSS 0.0038

EPSS Percentile 59.2%

Attack Vector NETWORK

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

Classification

CWE

CWE-755

Status published

Affected Products (1)

owasp/modsecurity < 3.0.4

Timeline

Published May 06, 2021

Tracked Since Feb 18, 2026