https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-07T12:55:34.565156+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-23995 CVE-2021-23995 2026-10-07T12:55:34.581537+00:00

Affected: Mozilla Firefox ESR, Mozilla Thunderbird, Mozilla Firefox

When Responsive Design Mode was enabled, it used references to objects that were previously freed. We presume that with enough effort this could have been exploited to run arbitrary code. This vulnerability affects Firefox ESR < 78.10, Thunderbird < 78.10, and Firefox < 88.