CVE-2026-90439

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{"affected_release": [{"advisory": "RHSA-2026:67977", "cpe": "cpe:/a:redhat:hummingbird:1", "package": "nginx-main-1.30.5-4.hum1", "product_name": "Red Hat Hardened Images", "release_date": "2026-09-16T00:00:00Z"}], "bugzilla": {"description": "nginx: NGINX ngx_http_v3_module: Denial of Service via TLS handshake heap buffer overflow", "id": "2533856", "url": "https://bugzilla.redhat.com/show_bug.cgi?id=2533856"}, "csaw": false, "cvss3": {"cvss3_base_score": "6.5", "cvss3_scoring_vector": "CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:L/A:L", "status": "verified"}, "cwe": "CWE-787", "details": ["A flaw was found in NGINX ngx_http_v3_module. A limited heap buffer overflow can occur during a Transport Layer Security (TLS) handshake when using HTTP/3 with certain OpenSSL versions. This vulnerability may allow remote attackers to cause a denial-of-service (DoS) on the NGINX system. Additionally, it could lead to limited data corruption."], "name": "CVE-2026-90439", "package_state": [{"cpe": "cpe:/a:redhat:hummingbird:1", "fix_state": "Affected", "package_name": "php", "product_name": "Red Hat Hardened Images"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-8", "product_name": "Red Hat OpenShift Container Platform 4"}, {"cpe": "cpe:/a:redhat:openshift:4", "fix_state": "Fix deferred", "package_name": "openshift/ose-rhel-coreos-9", "product_name": "Red Hat OpenShift Container Platform 4"}], "public_date": "2026-09-15T14:27:26Z", "references": ["https://www.cve.org/CVERecord?id=CVE-2026-90439\nhttps://nvd.nist.gov/vuln/detail/CVE-2026-90439\nhttps://my.f5.com/manage/s/article/K000162604"], "threat_severity": "Moderate"}

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