CVE-2023-37207: Medium severity Mozilla Thunderbird vulnerability
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks. This vulnerability affects Firefox < 115, Firefox ESR < 102.13, and Thunderbird < 102.13.
Other sources
A website could have obscured the fullscreen notification by using a URL with a scheme handled by an external program, such as a mailto URL. This could have led to user confusion and possible spoofing attacks.
External Reference: https://www.mozilla.org/en-US/security/advisories/mfsa2023-23/#CVE-2023-37207
— Red Hat
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
ubuntu/firefoxto a version that resolves this vulnerability.Fixed in 115.0-1 - Upgrade
Upgrade
ubuntu/firefoxto a version that resolves this vulnerability.Fixed in 115.0+ - Upgrade
Upgrade
ubuntu/thunderbirdto a version that resolves this vulnerability.Fixed in 1:102.13.0+ - Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 102.13 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 102.13 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 123.0-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.8.0esr-1~deb10u1Fixed in 115.7.0esr-1~deb11u1Fixed in 115.8.0esr-1~deb11u1Fixed in 115.7.0esr-1~deb12u1Fixed in 115.8.0esr-1~deb12u1Fixed in 115.8.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.8.0-1~deb10u1Fixed in 1:115.7.0-1~deb11u1Fixed in 1:115.8.0-1~deb11u1Fixed in 1:115.7.0-1~deb12u1Fixed in 1:115.8.0-1~deb12u1Fixed in 1:115.7.0-1Fixed in 1:115.8.1-1 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.13 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 115 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 102.13
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the vulnerability ID?
The vulnerability ID is CVE-2023-37207.
Which software products are affected by this vulnerability?
This vulnerability affects Firefox versions < 115, Firefox ESR versions < 102.13, and Thunderbird versions < 102.13.
What is the severity of CVE-2023-37207?
The severity of CVE-2023-37207 is medium.
How can this vulnerability be exploited?
This vulnerability can be exploited by a website obscuring the fullscreen notification using a URL with a scheme handled by an external program.
How can I fix CVE-2023-37207?
To fix CVE-2023-37207, update to Firefox version 115 or later, Firefox ESR version 102.13 or later, or Thunderbird version 102.13 or later.