{"apiVersion":"1.0","identifier":"CVE-2026-74976","description":"JIT miscompilation in the JavaScript Engine: JIT component. This vulnerability was fixed in Firefox 154, Firefox ESR 140.14, Firefox ESR 153.1, Thunderbird 154, Thunderbird 140.14, and Thunderbird 153.1.","publishedAt":"2026-08-18T13:17:35","lastModifiedAt":"2026-08-19T15:24:04","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-74976","cvssScore":6.5,"cvssVector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:N/A:N","epssProbability":0.0032,"riskScore":0.67,"affectedProduct":"Firefox","affectedVersions":"<154","vulnerabilityType":"Web app","operatingSystems":[],"links":{"self":"https://www.redsauce.net/api/cves/CVE-2026-74976","webPages":{"es":"https://www.redsauce.net/es/cves/CVE-2026-74976","en":"https://www.redsauce.net/en/cves/CVE-2026-74976","fr":"https://www.redsauce.net/fr/cves/CVE-2026-74976","pt":"https://www.redsauce.net/pt/cves/CVE-2026-74976","de":"https://www.redsauce.net/de/cves/CVE-2026-74976","sk":"https://www.redsauce.net/sk/cves/CVE-2026-74976","el":"https://www.redsauce.net/el/cves/CVE-2026-74976"},"source":"https://nvd.nist.gov/vuln/detail/CVE-2026-74976"}}