Disclosure summary
Use after free in mod_auth_digest in Apache Software Foundation Apache HTTP Server before 2.4.69 on all platforms allows an unauthenticated remote client to cause authentication state corruption via concurrent Digest authentication requests when AuthDigestNcCheck is enabled or AuthDigestNonceLifetime is set to 0. Users are recommended to upgrade to version 2.4.69, which fixes this issue.
Source-reported weakness categories
CWE-416
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-2026-73637
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 2026-10-01T13:17:31-04:00
MODIFIED 2026-10-05T13:39:38-04:00
INGESTED 2026-10-06T11:45:14-04:00