CVE-2026-48834CWE-400denial-of-service

CVE-2026-48834

High · published August 5, 2026

CVSS v3.1
7.5
EPSS
1%
Percentile
54.9
In the wild
Unconfirmed
What it is

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.

The record
Technical detail
CVSS v3.1
7.5 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
CVSS v4.0
Not supplied
EPSS
0.00764 · 54.9th percentile
Weakness
CWE-400 · Uncontrolled Resource Consumption
Published
2026-08-05T20:16Z
Affected products (1)
ProductVersionsFixed in
apache/answer< 2.0.22.0.2
References (2)
https://lists.apache.org/thread/0yg5smwnbrhqs55m5h61gn42mcs8s95p · [email protected]http://www.openwall.com/lists/oss-security/2026/08/05/9 · af854a3a-2127-422b-91ae-364da2661108
EPSS history
Timeline
  • 05 AUG 15:07Z
    Apache Answer: Denial of service via crafted Accept-Language header parsing
    cvelistv5