CVE-2026-44185

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{"bugzilla": {"description": "httpd: Apache HTTP Server: Buffer Over-read via outbound OCSP requests to attacker-controlled server", "id": "2486397", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2486397"}, "csaw": false, "cvss3": {"cvss3_base_score": "7.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L", "status": "draft"}, "cwe": "CWE-125", "details": ["Buffer Over-read vulnerability in Apache HTTP Server via outbound OCSP requests to an attacker controlled OCSP server\nThis issue affects Apache HTTP Server: from 2.4.0 through 2.4.67.\nUsers are recommended to upgrade to version 2.4.68, which fixes the issue.", "A flaw was found in Apache HTTP Server. This buffer over-read vulnerability occurs when the server processes outbound Online Certificate Status Protocol (OCSP) requests directed to an attacker-controlled OCSP server. This could allow a remote attacker to read sensitive information from memory or cause a denial of service."], "mitigation": {"lang": "en:us", "value": "To mitigate this issue, ensure that Apache HTTP Server is configured to only communicate with trusted OCSP responders. If OCSP validation or stapling is not a critical requirement for your deployment, consider disabling it. This can be achieved by adjusting mod_ssl directives in your Apache HTTP Server configuration. \nFor example, add or modify the following lines:\n~~~\nSSLOCSPEnable off\nSSLUseStapling off\n~~~\nAfter modifying the configuration, reload the httpd service for the changes to take effect safely without interrupting active connections:\n~~~\nsudo systemctl reload httpd\n~~~"}, "name": "CVE-2026-44185", "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": "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", "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"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "httpd", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-06-08T15:22:11Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-44185\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-44185\nhttps://httpd.apache.org/security/vulnerabilities_24.html"], "statement": "A critical buffer over-read flaw in Apache HTTP Server occurs when it performs outbound OCSP requests. If a server connects to an attacker-controlled OCSP responder, a remote attacker can leak sensitive memory data or trigger a denial of service (DoS). This risk depends entirely on the server's OCSP configuration and endpoint trustworthiness.", "threat_severity": "Important"}

{"affected": [{"configurations": [{"platform": null, "status": "affected", "versions": {"scheme": "semver", "value": "[2.4.0,2.4.67]"}}], "enrichment": {"confidence": 95.0, "confidence_source": "inferred", "scores": [{"score": 95.0, "source": "inferred"}, {"score": 100.0, "source": "matching"}]}, "original": {"product": "Apache HTTP Server", "source": "cna", "vendor": "Apache Software Foundation"}, "product": "http_server", "vendor": "apache"}], "created": "2026-06-08T16:30:06.601882+00:00", "updated": "2026-10-17T15:00:10.581931+00:00", "vendors": ["apache", "apache$PRODUCT$http_server"]}