Apache Answer 2.0.1 Improper Length Param Handling - DoS
CVE-2026-48834 Published on August 5, 2026
Apache Answer: Denial of service via crafted Accept-Language header parsing
Improper Handling of Length Parameter Inconsistency vulnerability in Apache Answer.
This issue affects Apache Answer: through 2.0.1.
Unauthenticated attackers can cause a denial of service via a specially crafted Accept-Language header that triggers excessive CPU consumption during parsing.
Users are recommended to upgrade to version 2.0.2, which fixes the issue.
Vulnerability Analysis
CVE-2026-48834 is exploitable with network access, and does not require authorization privileges or user interaction. This vulnerability is considered to have a low attack complexity. The potential impact of an exploit of this vulnerability is considered to have no impact on confidentiality and integrity, and a high impact on availability.
Weakness Type
What is a Resource Exhaustion Vulnerability?
The software does not properly control the allocation and maintenance of a limited resource, thereby enabling an actor to influence the amount of resources consumed, eventually leading to the exhaustion of available resources.
CVE-2026-48834 has been classified to as a Resource Exhaustion vulnerability or weakness.
Products Associated with CVE-2026-48834
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Affected Versions
Apache Software Foundation Apache Answer:- Before and including 2.0.1 is affected.