CVE-2026-116337

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{"bugzilla": {"description": "qt: Uncontrolled resource consumption vulnerability in HTTP response handling of Qt Network impacts Qt Framework", "id": "2569001", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2569001"}, "csaw": false, "cvss3": {"cvss3_base_score": "4.3", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L", "status": "draft"}, "cwe": "CWE-770", "details": ["A flaw was found in Qt. The HTTP response handling mechanism within the Qt Network module fails to properly manage resource allocation when processing incoming server responses. A remote attacker or malicious server can exploit this vulnerability by sending a specially crafted HTTP response, causing excessive resource consumption that may lead to a denial of service (DoS)."], "mitigation": {"lang": "en:us", "value": "Ensure client applications only connect to trusted HTTP endpoints and restrict maximum allowed response headers and body buffer sizes in application network settings where supported."}, "name": "CVE-2026-116337", "package_state": [{"cpe": "cpe:/a:redhat:enterprise_linux:10", "fix_state": "Fix deferred", "package_name": "qt6-qtbase", "product_name": "Red Hat Enterprise Linux 10"}, {"cpe": "cpe:/o:redhat:rhel_els:6", "fix_state": "Fix deferred", "package_name": "qt", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:rhel_els:6", "fix_state": "Not affected", "package_name": "qt3", "product_name": "Red Hat Enterprise Linux 6"}, {"cpe": "cpe:/o:redhat:rhel_els:7", "fix_state": "Fix deferred", "package_name": "qt", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:rhel_els:7", "fix_state": "Not affected", "package_name": "qt3", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/o:redhat:rhel_els:7", "fix_state": "Fix deferred", "package_name": "qt5-qtbase", "product_name": "Red Hat Enterprise Linux 7"}, {"cpe": "cpe:/a:redhat:enterprise_linux:8", "fix_state": "Fix deferred", "package_name": "qt5-qtbase", "product_name": "Red Hat Enterprise Linux 8"}, {"cpe": "cpe:/a:redhat:enterprise_linux:9", "fix_state": "Fix deferred", "package_name": "qt5-qtbase", "product_name": "Red Hat Enterprise Linux 9"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "qt5", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Fix deferred", "package_name": "qt5-qtbase", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "qt6", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Fix deferred", "package_name": "qt6-qtbase", "product_name": "Red Hat Hardened Images"}], "public_date": "2026-11-09T08:58:30Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-116337\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-116337\nhttps://codereview.qt-project.org/c/qt/qtbase/+/774223\nhttps://codereview.qt-project.org/c/qt/qtbase/+/774266\nhttps://wiki.qt.io/List_of_known_vulnerabilities_in_Qt_products#CVE-2026-116337:"], "statement": "An uncontrolled resource consumption flaw in the Qt Network module allows a remote attacker or malicious HTTP server to exhaust system resources and cause a denial of service by delivering a specially crafted HTTP response.", "threat_severity": "Low"}

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