{"id":"AZL-86850","summary":"CVE-2026-40701 affecting package nginx for versions less than 1.28.3-4","details":"NGINX Plus and NGINX Open Source have a vulnerability in the ngx_http_ssl_module module when the ssl_verify_client directive is set to \"on\" or \"optional,\" and the ssl_ocsp directive is set to \"on\" or the leaf parameters are configured with a resolver. With this configuration, an unauthenticated attacker can send requests along with conditions beyond its control that may cause a heap-use-after-free error in the NGINX worker process. This vulnerability may result in limited modification of data or the NGINX worker process restarting.\n\n\n\n Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.","modified":"2026-09-02T06:51:55Z","published":"2026-05-13T16:16:43Z","upstream":["CVE-2026-40701"],"references":[{"type":"WEB","url":"https://nvd.nist.gov/vuln/detail/CVE-2026-40701"}],"affected":[{"package":{"name":"nginx","ecosystem":"Azure Linux:3","purl":"pkg:rpm/azure-linux/nginx"},"ranges":[{"type":"ECOSYSTEM","events":[{"introduced":"0"},{"fixed":"1.28.3-4"}]}],"database_specific":{"source":"https://github.com/microsoft/AzureLinuxVulnerabilityData/blob/main/osv/AZL-86850.json"}}],"schema_version":"1.9.0"}