CVE-2026-48005

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{"affected_release": [{"advisory": "RHSA-2026:74858", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "httpd-main-2.4.69-1.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-10-02T00:00:00Z"}], "bugzilla": {"description": "httpd: httpd: Denial of service via forged Authorization headers in mod_auth_digest", "id": "2544861", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2544861"}, "csaw": false, "cvss3": {"cvss3_base_score": "3.7", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:L", "status": "verified"}, "cwe": "CWE-303", "details": ["A flaw was found in the mod_auth_digest module of the Apache HTTP Server. When Digest authentication is configured with nonce-count checking enabled, missing authentication checks allow an unauthenticated remote attacker to submit forged HTTP Authorization headers. This flaw can lead to a Denial of Service (DoS) condition by disrupting valid sessions and repeatedly forcing legitimate users to re-authenticate."], "mitigation": {"lang": "en:us", "value": "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/`:\nAuthDigestNcCheck Off\nAlternatively, 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`.\nAfter modifying the configuration, reload the service:\nsystemctl reload httpd\nCaveats: Disabling `AuthDigestNcCheck` removes server-side nonce-count checking, reducing replay protection for Digest authentication.\nWarning: Reloading the httpd service can momentarily disrupt in-flight connections."}, "name": "CVE-2026-48005", "package_state": [{"cpe": "cpe:/o:redhat:enterprise_linux:10", "fix_state": "Affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:enterprise_linux:6", "fix_state": "Not affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:enterprise_linux:7", "fix_state": "Affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:enterprise_linux:8", "fix_state": "Affected", "package_name": "httpd:2.4/httpd", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/o:redhat:enterprise_linux:9", "fix_state": "Affected", "package_name": "httpd", "product_name": "Red Hat Enterprise Linux 9"}], "public_date": "2026-10-01T16:01:35Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-48005\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-48005\nhttp://www.openwall.com/lists/oss-security/2026/10/01/15\nhttps://httpd.apache.org/security/vulnerabilities_24.html"], "threat_severity": "Low"}

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