{"id":27121,"date":"2026-09-21T20:30:43","date_gmt":"2026-09-21T12:30:43","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77021"},"modified":"2026-09-21T20:30:43","modified_gmt":"2026-09-21T12:30:43","slug":"cve-2026-77021","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-77021","title":{"rendered":"CVE-2026-77021 &#8211; Improper handling of highly compressed data (data amplification) in Checkmk"},"content":{"rendered":"<p>Improper handling of highly compressed data (data amplification) in Checkmk &lt;2.5.0p14, &lt;2.4.0p37, &lt;2.3.0p51 and 2.2.0 (EOL) allows an attacker who controls a host registered for push mode to exhaust the memory of the agent receiver by sending a small zlib compressed payload that decompresses to an arbitrary size.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Improper handling of highly compressed data (data amplification) in Checkmk<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-27121","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/27121","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln"}],"about":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/types\/vuln"}],"wp:attachment":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=27121"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=27121"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=27121"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}