{"id":1207,"date":"2025-04-23T11:33:12","date_gmt":"2025-04-23T11:33:12","guid":{"rendered":"http:\/\/localhost\/?p=1207"},"modified":"2025-04-23T11:33:12","modified_gmt":"2025-04-23T11:33:12","slug":"cve-2025-21605-redis-dos-vulnerability-due-to-unlimited-growth-of-output-buffers-abused-by-unauthent","status":"publish","type":"post","link":"https:\/\/zero.redgem.net\/?p=1207","title":{"rendered":"CVE-2025-21605 Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client"},"content":{"rendered":"<div class=\"vulnerability-details\">\n<h2>Vulnerability Details<\/h2>\n<div class=\"info-section\">\n<h3>Basic Information<\/h3>\n<table class=\"info-table\">\n<tr>\n<th>Title<\/th>\n<td>CVE-2025-21605 Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client<\/td>\n<\/tr>\n<tr>\n<th>Type<\/th>\n<td>cvelist<\/td>\n<\/tr>\n<tr>\n<th>Published<\/th>\n<td>2025-04-23T15:38:11<\/td>\n<\/tr>\n<tr>\n<th>Last Seen<\/th>\n<td>2025-04-23T15:59:26<\/td>\n<\/tr>\n<tr>\n<th>CVSS Score<\/th>\n<td style=\"color: #ff6600; font-weight: bold;\">7.5 (HIGH)<\/td>\n<\/tr>\n<\/table><\/div>\n<div class=\"cvss-section\">\n<h3>CVSS v3 Details<\/h3>\n<table class=\"cvss-table\">\n<tr>\n<th>Attack Vector<\/th>\n<td>NETWORK<\/td>\n<\/tr>\n<tr>\n<th>Attack Complexity<\/th>\n<td>LOW<\/td>\n<\/tr>\n<tr>\n<th>Privileges Required<\/th>\n<td>NONE<\/td>\n<\/tr>\n<tr>\n<th>User Interaction<\/th>\n<td>NONE<\/td>\n<\/tr>\n<tr>\n<th>Scope<\/th>\n<td>UNCHANGED<\/td>\n<\/tr>\n<tr>\n<th>Confidentiality Impact<\/th>\n<td>NONE<\/td>\n<\/tr>\n<tr>\n<th>Integrity Impact<\/th>\n<td>NONE<\/td>\n<\/tr>\n<tr>\n<th>Availability Impact<\/th>\n<td>HIGH<\/td>\n<\/tr>\n<\/table><\/div>\n<div class=\"cve-section\">\n<h3>CVE Information<\/h3>\n<table class=\"cve-table\">\n<tr>\n<th>CVE IDs<\/th>\n<td>CVE-2025-21605<\/td>\n<\/tr>\n<tr>\n<th>CWE<\/th>\n<td>CWE-770<\/td>\n<\/tr>\n<tr>\n<th>Bulletin Family<\/th>\n<td>cve<\/td>\n<\/tr>\n<\/table><\/div>\n<div class=\"description-section\">\n<h3>Description<\/h3>\n<div class=\"description-content\">\n            Redis is an open source, in-memory database that persists on disk. In versions starting at 2.6 and prior to 7.4.3, An unauthenticated client can cause unlimited growth of output buffers, until the server runs out of memory or is killed. By default,&#8230;\n        <\/div>\n<\/p><\/div>\n<div class=\"impact-section\">\n<h3>Impact Assessment<\/h3>\n<table class=\"impact-table\">\n<tr>\n<th>Base Score<\/th>\n<td>7.5<\/td>\n<\/tr>\n<tr>\n<th>Severity<\/th>\n<td style=\"color: #ff6600;\">HIGH<\/td>\n<\/tr>\n<\/table><\/div>\n<div class=\"source-link\">\n<p><a href=\"https:\/\/www.cve.org\/CVERecord?id=CVE-2025-21605\" target=\"_blank\">View full CVE details<\/a><\/p>\n<\/p><\/div>\n<\/div>\n<style>\n.vulnerability-details {\n    font-family: Arial, sans-serif;\n    max-width: 1200px;\n    margin: 0 auto;\n    padding: 20px;\n}<\/p>\n<p>.info-section, .cvss-section, .cve-section, .description-section, .impact-section {\n    margin-bottom: 30px;\n    background: #f8f9fa;\n    padding: 20px;\n    border-radius: 8px;\n    box-shadow: 0 2px 4px rgba(0,0,0,0.1);\n}<\/p>\n<p>h2 {\n    color: #2c3e50;\n    border-bottom: 2px solid #3498db;\n    padding-bottom: 10px;\n    margin-bottom: 20px;\n}<\/p>\n<p>h3 {\n    color: #34495e;\n    margin-bottom: 15px;\n}<\/p>\n<p>.info-table, .cvss-table, .cve-table, .impact-table {\n    width: 100%;\n    border-collapse: collapse;\n    margin-bottom: 20px;\n}<\/p>\n<p>.info-table th, .cvss-table th, .cve-table th, .impact-table th {\n    background: #e9ecef;\n    padding: 12px;\n    text-align: left;\n    width: 200px;\n}<\/p>\n<p>.info-table td, .cvss-table td, .cve-table td, .impact-table td {\n    padding: 12px;\n    border-bottom: 1px solid #dee2e6;\n}<\/p>\n<p>.description-content {\n    line-height: 1.6;\n    color: #2c3e50;\n}<\/p>\n<p>.source-link {\n    text-align: center;\n    margin-top: 30px;\n}<\/p>\n<p>.source-link a {\n    display: inline-block;\n    padding: 10px 20px;\n    background: #3498db;\n    color: white;\n    text-decoration: none;\n    border-radius: 5px;\n    transition: background 0.3s;\n}<\/p>\n<p>.source-link a:hover {\n    background: #2980b9;\n}\n<\/style>\n","protected":false},"excerpt":{"rendered":"<p>Vulnerability Details Basic Information Title CVE-2025-21605 Redis DoS Vulnerability due to unlimited growth of output buffers abused by unauthenticated client Type cvelist Published 2025-04-23T15:38:11 Last&#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,24,8,16,12,15,13,7,11,5],"class_list":["post-1207","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvelist","tag-cvss","tag-cvss-75","tag-exploit","tag-high","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.5 - 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