Improper Handling of Length Parameter Inconsistency in Apache Answer - CVE-2026-48834
Published: August 24, 2026
Vulnerability identifier: #VU144919
CSH Severity: Medium
CVSS v4: 8.7 [CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N]
CVE-ID: CVE-2026-48834
CWE-ID: CWE-130
Exploitation vector: Remote access
Exploit availability:
No public exploit available
Vulnerability details
The vulnerability allows a remote attacker to cause a denial of service.
The vulnerability exists due to improper handling of length parameter inconsistency in Accept-Language header parsing when handling a specially crafted Accept-Language header. A remote attacker can send a specially crafted Accept-Language header to cause a denial of service.
The issue triggers excessive CPU consumption during parsing.
Affected software
Apache Answer
How to mitigate CVE-2026-48834
Install security update from vendor's website.
Apache Answer - update to 2.0.2