CVE-2023-4048: High severity Mozilla Thunderbird vulnerability
An out-of-bounds read could have led to an exploitable crash when parsing HTML with DOMParser in low memory situations.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 102.14 - Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 115.1 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 102.14 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 115.1 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 102.14 - Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 115.1 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 116 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 115.1 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 102.14 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 137.0.2-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.14.0esr-1~deb11u1Fixed in 128.9.0esr-1~deb11u1Fixed in 128.8.0esr-1~deb12u1Fixed in 128.9.0esr-1~deb12u1Fixed in 128.9.0esr-2 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.12.0-1~deb11u1Fixed in 1:128.9.0esr-1~deb11u1Fixed in 1:128.8.0esr-1~deb12u1Fixed in 1:128.9.0esr-1~deb12u1Fixed in 1:128.9.0esr-1
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-2023-4048?
The severity of CVE-2023-4048 is high (severity value 7).
How does CVE-2023-4048 affect Firefox and Firefox ESR?
CVE-2023-4048 affects Firefox versions < 116 and Firefox ESR versions < 102.14.
How does CVE-2023-4048 affect Thunderbird?
CVE-2023-4048 affects Thunderbird versions < 115.1.
How do I fix CVE-2023-4048 in Firefox?
To fix CVE-2023-4048 in Firefox, update to version 116 or newer.
How do I fix CVE-2023-4048 in Thunderbird?
To fix CVE-2023-4048 in Thunderbird, update to version 115.1 or newer.