Disclosure summary
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.
Source-reported weakness categories
CWE-476
Source-specific records & product guidance
Sources retain their own attribution and scoring. Follow the original record to confirm affected versions, fixed releases, and configuration conditions.
NIST National Vulnerability Database · NVD-CVE-2026-63686
Open original source · Updated Oct 05, 2026
Only CPE matches marked vulnerable=true are indexed. AND/OR platform conditions must be checked in the original NVD record.
| Vendor | Product / association | Version / bounds |
|---|---|---|
| apache | http_server | * {"versionStartIncluding":"2.4.0","versionEndExcluding":"2.4.69"} |
Original records & references
- NIST NVD record
- CVE Program record
- httpd.apache.org — Vendor Advisory
PUBLISHED 2026-10-01T13:17:29-04:00
MODIFIED 2026-10-05T13:46:24-04:00
INGESTED 2026-10-06T11:45:14-04:00