https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-11T14:22:36.280752+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2020-15656 CVE-2020-15656 2026-10-11T14:22:36.308844+00:00

Affected: Mozilla Firefox ESR, Mozilla Firefox, Mozilla Thunderbird

JIT optimizations involving the Javascript arguments object could confuse later optimizations. This risk was already mitigated by various precautions in the code, resulting in this bug rated at only moderate severity. This vulnerability affects Firefox ESR < 78.1, Firefox < 79, and Thunderbird < 78.1.

 https://vulnerability.circl.lu/vuln/usn-4443-1 USN-4443-1 — firefox vulnerabilities 2026-10-11T14:22:36.308995+00:00

Affected: Ubuntu:16.04:LTS: firefox, Ubuntu:18.04:LTS: firefox, Ubuntu:20.04:LTS: firefox

Multiple security issues were discovered in Firefox. If a user were tricked in to opening a specially crafted website, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass iframe sandbox restrictions, confuse the user, or execute arbitrary code. (CVE-2020-6463, CVE-2020-6514, CVE-2020-15652, CVE-2020-15653, CVE-2020-15654, CVE-2020-15656, CVE-2020-15658, CVE-2020-15659)

It was discovered that redirected HTTP requests which are observed or modified through a web extension could bypass existing CORS checks. If a user were tricked in to installing a specially crafted extension, an attacker could potentially exploit this to obtain sensitive information across origins. (CVE-2020-15655)