Low [CVE-2026-48005] Denial of service via forged Authorization headers in mod_auth_digest
This low-severity Red Hat Linux advisory covers CVE-2026-48005; related products: Red Hat Hardened Images, Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 7.
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Summary
Denial of service via forged Authorization headers in mod_auth_digest. Red Hat rates this low (CVSS 3.7).
Weakness: CWE-303. Red Hat lists fixing advisory RHSA-2026:74858 with package httpd-main-2.4.69-1.hum1.
Affected products named by the advisory: Red Hat Hardened Images; Red Hat Enterprise Linux 10; Red Hat Enterprise Linux 7; Red Hat Enterprise Linux 8; and 2 more.
Affected products named by the advisory: Red Hat Enterprise Linux 9; Red Hat package: httpd.
Affected versions
No affected-version range was extracted from the source record. The vendor advisory is authoritative — check it before change work.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
- httpd-main-2.4.69-1.hum1
- RHSA-2026:74858
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
Mitigation checklist
- To mitigate this issue, disable nonce-count verification by setting `AuthDigestNcCheck Off` within the relevant configuration context in `/etc/httpd/conf/httpd.conf` or `/etc/httpd/conf.d/`: AuthDigestNcCheck Off Alternatively, if Digest authentication is not required, disable `mod_auth_digest` by commenting out the corresponding `LoadModule auth_digest_module` line in `/etc/httpd/conf.modules.d/00-base.conf`. After modifying the configuration, reload the service: systemctl reload httpd Caveats: Disabling `AuthDigestNcCheck` removes server-side nonce-count checking, reducing replay protection for Digest authentication. Warning: Reloading the httpd service can momentarily disrupt in-flight connections.
Official advisory · high-confidence parse· fetched 4 days ago·verify at source
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