{"id":2943,"date":"2026-09-04T04:59:20","date_gmt":"2026-09-03T20:59:20","guid":{"rendered":"https:\/\/www.54iter.cn\/?p=2943"},"modified":"2026-09-04T04:59:20","modified_gmt":"2026-09-03T20:59:20","slug":"cve-2026-84311","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-84311","title":{"rendered":"CVE-2026-84311 &#8211; pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can"},"content":{"rendered":"<p>pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf\/_page.py PageObject._extract_text and PageObject.extract_xform_text to traverse a directed acyclic graph of reused form XObjects in which each form invokes a child multiple times, creating exponentially many traversal paths and causing long runtimes and large memory consumption. This issue is fixed in version 6.16.1.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>pypdf is a free and open-source pure-python PDF library. Prior to 6.16.1, an attacker can craft a PDF that causes pypdf\/_page.py PageObject._extract_text and PageObject.extract_xform_text to traverse <\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-2943","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/2943","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=2943"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=2943"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=2943"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}