{“lastseen”:””,”description”:”Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float poing number into the toFixed() function, it might lead to high CPU consumption and a potential Denial of Service. Small numbers go through this call stack: NativeNumber.numTo \\u003e DToA.JS_dtostr \\u003e DToA.JS_dtoa \\u003e DToA.pow5mult where pow5mult attempts to raise 5 to a ridiculous power. This vulnerability is fixed in 1.8.1, 1.7.15.1, and 1.7.14.1.”,”published”:”2025-12-03T19:31:54.629Z”,”modified”:”2025-12-03T19:43:58.830Z”,”type”:”cve”,”title”:”Rhino vulnerable high CPU usage and potential DoS when passing specific numbers to toFixed() function”,”source”:”GitHub_M”,”references”:”https:\/\/github.com\/mozilla\/rhino\/security\/advisories\/GHSA-3w8q-xq97-5j7x”,”id”:”CVE-2025-66453″,”bulletinFamily”:””,”cwe”:[“CWE-400″],”cvelist”:null,”sourceData”:”mozilla rhino \\u003e= 1.8.0, \\u003c 1.8.1\\nmozilla rhino \\u003e= 1.7.15, \\u003c 1.7.15.1\\nmozilla rhino \\u003c 1.7.14.1″,”sourceHref”:””,”cvss”:{“score”:5.5,”severity”:”MEDIUM”,”vector”:”CVSS:4.0\/AV:N\/AC:L\/AT:N\/PR:N\/UI:N\/VC:N\/VI:N\/VA:L\/SC:N\/SI:N\/SA:N\/E:P”,”version”:”4.0″},”cvss2″:{},”cvss3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””,”cvssV3″:{“version”:””,”vectorString”:””,”baseScore”:0,”baseSeverity”:””,”attackVector”:””,”attackComplexity”:””,”privilegesRequired”:””,”userInteraction”:””,”scope”:””,”confidentialityImpact”:””,”integrityImpact”:””,”availabilityImpact”:””}},”href”:””,”category_name”:”CVE”,”post_link”:””,”product”:”rhino”,”version”:”\\u003e= 1.8.0, \\u003c 1.8.1″,”vendor”:”mozilla”,”ai_description”:””,”ai_severity”:””,”ai_vendor”:””,”ai_product”:””,”ai_version”:””,”ai_score”:0}<\/p>\n","protected":false},"excerpt":{"rendered":"
{“lastseen”:””,”description”:”Rhino is an open-source implementation of JavaScript written entirely in Java. Prior to 1.8.1, 1.7.15.1, and 1.7.14.1, when an application passed an attacker controlled float…<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[2],"tags":[6,8,70,12,21,13,7,11,5],"class_list":["post-28508","post","type-post","status-publish","format-standard","hentry","category-category_cve","tag-cve","tag-cvss","tag-cvss-55","tag-exploit","tag-medium","tag-news","tag-security","tag-tapic","tag-vulnerability"],"yoast_head":"\n