USN-6015-1: Thunderbird vulnerabilities

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. (CVE-2023-1945, CVE-2023-29548,
CVE-2023-29550)

Paul Menzel discovered that Thunderbird did not properly validate OCSP
revocation status of recipient certificates when sending S/Mime encrypted
email. An attacker could potentially exploits this issue to perform
spoofing attack. …

attack browsing bypass certificates code context cross-site cve denial of service email encrypted exploit exploits information manage memory messages mime ocsp openpgp parsing paul restrictions security security issues sensitive information service spoofing spoofing attack team thunderbird tracing usn vulnerabilities website