https://vulnerability.circl.lu/rss/recent/all/10 Most recent entries from all 2026-10-08T18:12:08.377074+00:00 Vulnerability-Lookup info@circl.lu python-feedgen Contains only the most 10 recent entries. https://vulnerability.circl.lu/vuln/cve-2025-5263 CVE-2025-5263 — Error handling for script execution was incorrectly isolated from web content 2026-10-08T18:12:08.380582+00:00

Affected: Mozilla Firefox, Mozilla Thunderbird

Error handling for script execution was incorrectly isolated from web content, which could have allowed cross-origin leak attacks. This vulnerability was fixed in Firefox 139, Firefox ESR 115.24, Firefox ESR 128.11, Thunderbird 139, and Thunderbird 128.11.

 https://vulnerability.circl.lu/vuln/usn-7663-1 USN-7663-1 — thunderbird vulnerabilities 2026-10-08T18:12:08.380711+00:00

Affected: Ubuntu:22.04:LTS: thunderbird

Multiple security issues were discovered in Thunderbird. If a user were tricked into opening a specially crafted website in a browsing context, an attacker could potentially exploit these to cause a denial of service, obtain sensitive information, bypass security restrictions, cross-site tracing, or execute arbitrary code.