Most recent entries from all https://cve.radiocsirt.org Contains only the most 10 recent entries. http://www.rssboard.org/rss-specification python-feedgen en Wed, 07 Oct 2026 09:59:56 +0000 CVE-2026-84642 — Allowed UNC hostnames for attachments interpreted as a regular expression https://cve.radiocsirt.org/vuln/cve-2026-84642 <p><strong>Affected:</strong> Mozilla Thunderbird</p> <p>The values of the mail.allowed_attachment_hostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 155 and Thunderbird 153.2.</p> <p><strong>Affected:</strong> Mozilla Thunderbird</p> <p>The values of the mail.allowed_attachment_hostnames advanced config setting were used in a regular expression without escaping. For some possible valid hostnames, this could allow certain unintended hostnames to also match and serve remote attachments. This vulnerability was fixed in Thunderbird 155 and Thunderbird 153.2.</p> https://cve.radiocsirt.org/vuln/cve-2026-84642