{"id":34498,"date":"2026-10-08T20:32:59","date_gmt":"2026-10-08T12:32:59","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-103010"},"modified":"2026-10-08T20:32:59","modified_gmt":"2026-10-08T12:32:59","slug":"cve-2026-103010","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-103010","title":{"rendered":"CVE-2026-103010 [HIGH] &#8211; Heap-based buffer overflow in the legacy Blowfish decryption routine (BlowFishEncryptor::D"},"content":{"rendered":"<p>Heap-based buffer overflow in the legacy Blowfish decryption routine (BlowFishEncryptor::DecryptFromString) in Progressive Robot hMailServer 6.0.0 through 6.3.3 on Windows allows a local interactive user with no hMailServer credentials to write bytes of their choosing past the end of a 255-byte heap buffer in the hMailServer service process, which runs as LocalSystem by default. The user does this by passing a long hexadecimal string to the COM method Utilities.BlowfishDecrypt, which checked no authentication. The routine converted hexadecimal input of any length into a fixed 255-byte buffer before decrypting it in place. The result is a denial of service (service crash), and possibly code execution with the privileges of the service account.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Heap-based buffer overflow in the legacy Blowfish decryption routine (BlowFishEncryptor::DecryptFromString) in Progressive Robot hMailServer 6.0.0 through 6.3.3 on Windows allows a local interactive u<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-34498","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/34498","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=34498"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=34498"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=34498"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}