Security
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CVE-2026-63686

HIGHCVSS 7.5
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Description

A NULL pointer dereference in mod_xml2enc in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an untrusted backend server to cause a denial of service via a proxied response with a charset whose conversion partially succeeds then fails. Users are recommended to upgrade to version 2.4.69, which fixes this issue.

Timeline
Published:October 1st, 2026 5:17 PM
Last modified:October 5th, 2026 5:46 PM
CVSS Scoring

CVSS v3: 7.5 (HIGH)

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

Affected Software
From NVD CPE configuration data

Vendors

apache

Products

http_server
Weaknesses (CWE)
CWE-476
References & Reports
Advisories, patches, and third-party reports

Source: NIST NVD · Data may lag official sources by up to one minute