Apache HTTP Server: mod_auth_digest DoS attack
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.
CVE-2026-73637
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2026-73637
Apache HTTP Server
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"vendor": "Apache Software Foundation",
"product": "Apache HTTP Server",
"versions": [
{
"status": "affected",
"version": "2.4.0",
"versionType": "semver",
"lessThanOrEqual": "2.4.68"
}
],
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2026-73637
Source reference:
/cveMetadata/cveId
Publisher severity
No explicit severity was provided.
- Event
- #7768 · Revision 1
- Added to Heist Feed
- Publisher date