{"cve":"CVE-2017-9788","nvd":{"published":"2017-07-13T16:29:00.227","modified":"2026-06-17T01:28:54.280","status":"Modified","description":"In Apache httpd before 2.2.34 and 2.4.x before 2.4.27, the value placeholder in [Proxy-]Authorization headers of type 'Digest' was not initialized or reset before or between successive key=value assignments by mod_auth_digest. Providing an initial key with no '=' assignment could reflect the stale value of uninitialized pool memory used by the prior request, leading to leakage of potentially confidential information, and a segfault in other cases resulting in denial of service.","cvss_v4":null,"cvss_v3":{"version":"3.0","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H","score":9.1},"cwes":["CWE-20","CWE-200"],"references":["http://www.debian.org/security/2017/dsa-3913","http://www.oracle.com/technetwork/security-advisory/cpuoct2017-3236626.html","http://www.securityfocus.com/bid/99569","http://www.securitytracker.com/id/1038906","https://access.redhat.com/errata/RHSA-2017:2478"],"products":["apache:http_server","apple:mac_os_x","debian:debian_linux","netapp:oncommand_unified_manager","netapp:storage_automation_store","oracle:secure_global_desktop","redhat:enterprise_linux_desktop","redhat:enterprise_linux_server","redhat:enterprise_linux_server_aus","redhat:enterprise_linux_server_eus","redhat:enterprise_linux_server_tus","redhat:enterprise_linux_workstation","redhat:jboss_core_services","redhat:jboss_enterprise_application_platform","redhat:jboss_enterprise_web_server"],"source":"nvd","synced_at":"2026-10-19T20:43:44.556243339+00:00"},"epss":{"cve":"CVE-2017-9788","score":0.5677,"percentile":0.99064,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}