{"id":3422,"date":"2026-09-04T04:59:42","date_gmt":"2026-09-03T20:59:42","guid":{"rendered":"https:\/\/www.54iter.cn\/?p=3422"},"modified":"2026-09-04T04:59:42","modified_gmt":"2026-09-03T20:59:42","slug":"cve-2026-85091","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-85091","title":{"rendered":"CVE-2026-85091 [HIGH] &#8211; zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz"},"content":{"rendered":"<p>zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Attackers can trigger the overflow by calling gzprintf() or gzvprintf() after a write stall, causing an unchecked memmove() to write beyond the internal input buffer boundary.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>zlib versions 1.3.1.2 through 1.3.2 contain a heap buffer overflow vulnerability in the gz_vacate() function when processing non-blocking gzwrite() operations with stale external buffer pointers. Atta<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-3422","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/3422","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=3422"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=3422"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=3422"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}