{"id":41716,"date":"2026-10-20T04:32:30","date_gmt":"2026-10-19T20:32:30","guid":{"rendered":"https:\/\/www.54iter.cn\/?vuln=cve-2026-110676"},"modified":"2026-10-20T04:32:30","modified_gmt":"2026-10-19T20:32:30","slug":"cve-2026-110676","status":"publish","type":"vuln","link":"https:\/\/www.54iter.cn\/?vuln=cve-2026-110676","title":{"rendered":"CVE-2026-110676 &#8211; Cpanel::JSON::XS versions before 4.80 for Perl allow memory exhaustion by encoding exponen"},"content":{"rendered":"<p>Cpanel::JSON::XS versions before 4.80 for Perl allow memory exhaustion by encoding exponent notation as full decimal digits under allow_bignum.<\/p>\n<p>With allow_bignum, a JSON number with a fraction or exponent decodes to a Math::BigFloat, which stores the exponent separately and so decodes cheaply. Encoding it untyped or as JSON_TYPE_FLOAT writes the plain decimal form with one digit per unit of exponent. Nothing bounds the exponent, so the 12-byte text [1e30000000] encodes to 30 MB.<\/p>\n<p>Untrusted JSON decoded with allow_bignum and encoded again can exhaust memory and CPU.<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Cpanel::JSON::XS versions before 4.80 for Perl allow memory exhaustion by encoding exponent notation as full decimal digits under allow_bignum.<\/p>\n<p>With allow_bignum, a JSON number with a fraction or exp<\/p>\n","protected":false},"template":"","meta":[],"categories":[],"tags":[],"class_list":["post-41716","vuln","type-vuln","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/www.54iter.cn\/index.php?rest_route=\/wp\/v2\/vuln\/41716","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=41716"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=41716"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.54iter.cn\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=41716"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}