CVE-2023-5725: Medium severity Mozilla Thunderbird vulnerability
A malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 115.4 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 115.4.1 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 130.0-2 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 115.15.0esr-1~deb11u1Fixed in 115.14.0esr-1~deb12u1Fixed in 115.15.0esr-1~deb12u1Fixed in 115.15.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:115.15.0-1~deb11u1Fixed in 1:115.12.0-1~deb12u1Fixed in 1:115.15.0-1~deb12u1Fixed in 1:128.2.0esr-1 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 115.4.1 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 119 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 115.4
Event History
Parent advisories
This vulnerability appears in the following advisories.
Peer vulnerabilities
Found alongside the following vulnerabilities.
Frequently Asked Questions
What is the severity of CVE-2023-5725?
The severity of CVE-2023-5725 is medium.
How does CVE-2023-5725 affect Mozilla Firefox?
CVE-2023-5725 affects Mozilla Firefox version up to exclusive 119 and Mozilla Firefox ESR version up to exclusive 115.4.
Can a malicious WebExtension collect sensitive user data through CVE-2023-5725?
Yes, a malicious installed WebExtension could open arbitrary URLs, which under the right circumstance could be leveraged to collect sensitive user data.
How can I mitigate the vulnerability CVE-2023-5725?
To mitigate CVE-2023-5725, update Mozilla Firefox to version 119 or later and Mozilla Firefox ESR to version 115.4 or later.
Where can I find more information about CVE-2023-5725?
You can find more information about CVE-2023-5725 on the Mozilla Bugzilla website and the Mozilla Security Advisories website.