{"schemaVersion":3,"id":"USN-8516-1","aliases":[],"status":"published","duplicateOf":null,"title":null,"description":"apache2 vulnerabilities\n\nIt was discovered that Apache HTTP Server's mod_ldap module incorrectly\nhandled memory when processing per-directory configurations. An attacker\ncould use this issue to cause the server to crash, resulting in a denial of\nservice, or possibly execute arbitrary code. (CVE-2026-29167)\n\nIt was discovered that Apache HTTP Server's mod_proxy_ftp module\nincorrectly handled HTML generation for FTP directory listings. A remote\nattacker could possibly use this issue to inject arbitrary web script or\nHTML. (CVE-2026-29170)\n\nIt was discovered that Apache HTTP Server's mod_proxy_html module\nincorrectly handled certain content from an untrusted backend. A remote\nattacker could possibly use this issue to cause Apache HTTP Server to\ncrash, resulting in a denial of service. (CVE-2026-34355)\n\nIt was discovered that Apache HTTP Server incorrectly handled\nProxyPassReverseCookie directives with a malicious backend server. A remote\nattacker could possibly use this issue to cause Apache HTTP Server to\ncrash, resulting in a denial of service. (CVE-2026-34356)\n\nIt was discovered that Apache HTTP Server's mod_dav_fs module incorrectly\nhandled certain path operations. An authenticated user could possibly use\nthis issue to manipulate trusted WebDAV property databases or cause a\ndenial of service. (CVE-2026-42535)\n\nIt was discovered that Apache HTTP Server's mod_xml2enc module incorrectly\nhandled certain content from an untrusted backend. A remote attacker could\npossibly use this issue to cause Apache HTTP Server to crash, resulting in\na denial of service. (CVE-2026-42536)\n\nIt was discovered that Apache HTTP Server incorrectly handled response\nheaders when multiple content languages were configured. A remote attacker\ncould possibly use this issue to obtain sensitive information.\n(CVE-2026-43951)\n\nIt was discovered that Apache HTTP Server incorrectly restricted certain\nfile functions in expressions within .htaccess files. A local attacker with\n.htaccess write access could possibly use this issue to obtain sensitive\ninformation. (CVE-2026-44119)\n\nIt was discovered that Apache HTTP Server's mod_ssl module incorrectly\nhandled OCSP responses from an attacker-controlled server. A remote\nattacker could possibly use this issue to obtain sensitive information or\ncause a denial of service. (CVE-2026-44185)\n\nIt was discovered that Apache HTTP Server's mod_proxy_ftp module\nincorrectly handled responses from an attacker-controlled backend FTP\nserver. A remote attacker could possibly use this issue to cause Apache\nHTTP Server to stop responding, resulting in a denial of service.\n(CVE-2026-44186)\n\nIt was discovered that Apache HTTP Server incorrectly handled crafted\nregular expressions in the server configuration. An attacker could possibly\nuse this issue to execute arbitrary code or cause a denial of service.\n(CVE-2026-44631)\n\nIt was discovered that Apache HTTP Server's mod_http2 module had a\nuse-after-free vulnerability when file handles were exhausted. A remote\nattacker could possibly use this issue to cause Apache HTTP Server to\ncrash, resulting in a denial of service. (CVE-2026-48913)","dates":{"published":"2026-07-08T13:49:49.000Z","modified":"2026-07-08T22:49:38.324Z","reserved":null,"kevAdded":[],"kevDue":[]},"cvss":{"headline":{"score":null,"severity":"unknown","version":null,"versionLabel":null,"source":null,"vector":null,"computed":false,"selection":"none"},"metrics":[]},"epss":{"probability":null,"percentile":null,"severity":"unknown","asOf":null,"change":{"pp":null,"baselineDate":null,"baselineScore":null},"history":[],"last30":[]},"kev":{"state":"not-listed","entries":[],"listedCount":0,"totalCatalogs":3,"catalogs":[{"source":"cisa","label":"CISA","listed":false,"entry":null},{"source":"enisa","label":"ENISA","listed":false,"entry":null},{"source":"circl","label":"CIRCL","listed":false,"entry":null}]},"ransomware":{"state":"none-recorded","sources":[]},"exploits":[],"exploitCount":0,"weaknesses":[],"affected":[{"vendor":"ubuntu","product":"apache2","name":"apache2","label":"apache2","ecosystem":"Ubuntu","cpePart":null,"purl":"pkg:deb/ubuntu/apache2","purlType":"deb","versions":[{"text":"< 2.4.52-1ubuntu4.23","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.58-1ubuntu8.15","noFixRecorded":false,"fixedIn":null},{"text":"< 2.4.66-2ubuntu2.4","noFixRecorded":false,"fixedIn":null}],"versionsText":"< 2.4.52-1ubuntu4.23 | < 2.4.58-1ubuntu8.15 | < 2.4.66-2ubuntu2.4","eol":null,"hubHref":null}],"affectedCount":1,"eol":{"hasEol":false,"count":0},"references":[{"url":"https://ubuntu.com/security/notices/USN-8516-1","label":"ubuntu.com/security/notices/USN-8516-1","hostname":"ubuntu.com","tags":["Advisory"]},{"url":"https://ubuntu.com/security/CVE-2026-29167","label":"ubuntu.com/security/CVE-2026-29167","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-29170","label":"ubuntu.com/security/CVE-2026-29170","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-34355","label":"ubuntu.com/security/CVE-2026-34355","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-34356","label":"ubuntu.com/security/CVE-2026-34356","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-42535","label":"ubuntu.com/security/CVE-2026-42535","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-42536","label":"ubuntu.com/security/CVE-2026-42536","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-43951","label":"ubuntu.com/security/CVE-2026-43951","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-44119","label":"ubuntu.com/security/CVE-2026-44119","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-44185","label":"ubuntu.com/security/CVE-2026-44185","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-44186","label":"ubuntu.com/security/CVE-2026-44186","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-44631","label":"ubuntu.com/security/CVE-2026-44631","hostname":"ubuntu.com","tags":["REPORT"]},{"url":"https://ubuntu.com/security/CVE-2026-48913","label":"ubuntu.com/security/CVE-2026-48913","hostname":"ubuntu.com","tags":["REPORT"]}],"lineage":{"upstream":["CVE-2026-29167","CVE-2026-29170","CVE-2026-34355","CVE-2026-34356","CVE-2026-42535","CVE-2026-42536","CVE-2026-43951","CVE-2026-44119","CVE-2026-44185","CVE-2026-44186","CVE-2026-44631","CVE-2026-48913"],"downstream":[],"duplicates":[],"related":["CVE-2026-29167","CVE-2026-29170","CVE-2026-34355","CVE-2026-34356","CVE-2026-42535","CVE-2026-42536","CVE-2026-43951","CVE-2026-44119","CVE-2026-44185","CVE-2026-44186","CVE-2026-44631","CVE-2026-48913"]},"timeline":[{"kind":"published","date":"2026-07-08T13:49:49.000Z","label":"Published","detail":"Vulnerability first disclosed.","source":null},{"kind":"modified","date":"2026-07-08T22:49:38.324Z","label":"Last modified","detail":"Vulnerability information updated.","source":null}],"risk":{"score":0,"level":"minimal","profile":"Default","thresholds":{"critical":75,"high":50,"medium":25,"low":10}},"meta":{"dataAsOf":"2026-10-19T22:50:29.044Z","stale":false,"partial":false}}