{"id":30843,"date":"2026-09-30T04:31:14","date_gmt":"2026-09-29T20:31:14","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-102820"},"modified":"2026-09-30T04:31:14","modified_gmt":"2026-09-29T20:31:14","slug":"cve-2026-102820","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-102820","title":{"rendered":"CVE-2026-102820 [MEDIUM] &#8211; pageant provides a [PageantStream] type that implements [AsyncRead] and [AsyncWrite] trait"},"content":{"rendered":"<p>pageant provides a [PageantStream] type that implements [AsyncRead] and [AsyncWrite] traits and can be used to talk to a running Pageant instance. Prior to pageant 0.2.3, the Windows pageant crate&#8217;s pageant\/src\/wmmessage.rs MemoryMap::read function trusts a peer-controlled u32 response length supplied through the 8192-byte Pageant shared-memory mapping reached by AgentClient::connect_pageant. A local process that impersonates the Pageant window can make query_pageant_direct allocate up to approximately 4 GiB and copy beyond the mapped view, reliably crashing a russh client and conditionally exposing adjacent committed memory. This issue is fixed in pageant 0.2.3.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>pageant provides a [PageantStream] type that implements [AsyncRead] and [AsyncWrite] traits and can be used to talk to a running Pageant instance. Prior to pageant 0.2.3, the Windows pageant crate&#8217;s p<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-30843","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/30843","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=30843"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=30843"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=30843"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}