Denial of Service Vulnerability in Apache Answer Affected by Improper Header Handling
CVE-2026-48834

7.5HIGH

Key Information:

Vendor

Apache
Status
Apache Answer
Vendor
CVE Published:
5 August 2026

What is CVE-2026-48834?

An improper handling of length parameter inconsistency in Apache Answer allows unauthenticated attackers to exploit the system by sending specially crafted Accept-Language headers. This can lead to excessive CPU consumption during the parsing process, resulting in a denial of service. It is crucial for users to upgrade to version 2.0.2 or later to mitigate this vulnerability effectively.

Affected Version(s)

Apache Answer 0 <= 2.0.1

References

https://lists.apache.org/thread/0yg5smwnbrhqs55m5h61gn42m...
vendor-advisory

CVSS V3.1

Score:
7.5
Severity:
HIGH
Confidentiality:
None
Integrity:
None
Availability:
None
Attack Vector:
Network
Attack Complexity:
Low
Privileges Required:
None
User Interaction:
None
Scope:
Unchanged

Timeline

  • Vulnerability published

  • Vulnerability Reserved

Credit

tonghuaroot
.