{"id":71830,"date":"2025-10-16T19:45:39","date_gmt":"2025-10-16T16:15:39","guid":{"rendered":"https:\/\/afaghhosting.net\/blog\/cve-2025-62490-use-after-free-in-js_print_object-in-quickjs\/"},"modified":"2025-10-16T19:45:39","modified_gmt":"2025-10-16T16:15:39","slug":"cve-2025-62490-use-after-free-in-js_print_object-in-quickjs","status":"publish","type":"post","link":"https:\/\/afaghhosting.net\/blog\/cve-2025-62490-use-after-free-in-js_print_object-in-quickjs\/","title":{"rendered":"CVE-2025-62490 &#8211; Use-after-free in js_print_object in QuickJS"},"content":{"rendered":"<p>CVE ID : CVE-2025-62490<\/p>\n<p>Published :  Oct. 16, 2025, 4:15 p.m. | 25\u00a0minutes ago<\/p>\n<p>Description : In quickjs, in js_print_object, when printing an array, the function first fetches the array length and then loops over it.\u00a0The issue is, printing a value is not side-effect free. An attacker-defined callback could run during js_print_value, during which the array could get resized and len1\u00a0become out of bounds. This results in a use-after-free.A second instance occurs in the same function during printing of a map or set objects. The code iterates over ms-&gt;records\u00a0list, but once again, elements could be removed from the list during js_print_value\u00a0call.<\/p>\n<p>Severity: 8.8 | HIGH<\/p>\n<p>Visit the link for more details, such as CVSS details, affected products, timeline, and more&#8230;\u00a0<\/p>\n","protected":false},"excerpt":{"rendered":"<p>CVE ID : CVE-2025-62490 Published : Oct. 16, 2025, 4:15 p.m. | 25\u00a0minutes ago Description : In quickjs, in js_print_object, when printing an array, the function first fetches the array length and then loops over it.\u00a0The issue is, printing a value is not side-effect free. An attacker-defined callback could run during js_print_value, during which the &hellip;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[26],"tags":[],"class_list":["post-71830","post","type-post","status-publish","format-standard","hentry","category-vulnerability"],"_links":{"self":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/71830","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/comments?post=71830"}],"version-history":[{"count":0,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/posts\/71830\/revisions"}],"wp:attachment":[{"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/media?parent=71830"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/categories?post=71830"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/afaghhosting.net\/blog\/wp-json\/wp\/v2\/tags?post=71830"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}