{"id":20637,"date":"2026-09-11T00:32:11","date_gmt":"2026-09-10T16:32:11","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-75584"},"modified":"2026-09-11T00:32:11","modified_gmt":"2026-09-10T16:32:11","slug":"cve-2026-75584","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-75584","title":{"rendered":"CVE-2026-75584 [HIGH] &#8211; ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenti"},"content":{"rendered":"<p>ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canonicalizePayloadBlock() function in bpsec_util.c passes bundle-&gt;payload.length to zco_clone() without validating it against zero, causing a failed CHKZERO assertion that triggers sm_Abort() and terminates the process with SIGABRT before any HMAC verification occurs, requiring no valid key or credential to exploit.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>ION-DTN before 4.2.1-a.1 contains a denial of service vulnerability that allows unauthenticated remote attackers to crash the ION process by sending a BPv7 bundle with a zero-length payload. The canon<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-20637","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/20637","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=20637"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=20637"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=20637"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}