CVE-2024-9399: High severity Mozilla Thunderbird vulnerability
A website configured to initiate a specially crafted WebTransport session could crash the Firefox process leading to a denial of service condition.
Other sources
A website configured to initiate a specially crafted WebTransport session could crash the Thunderbird process leading to a denial of service condition.
— Mozilla
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 131 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 131 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 128.3 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:128.3.0esr-1 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 159.0-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:140.12.0esr-1~deb12u1Fixed in 1:153.6.0esr-1~deb12u2Fixed in 1:140.12.0esr-1~deb13u1Fixed in 1:153.6.0esr-1~deb13u1Fixed in 1:153.5.0esr-1Fixed in 1:153.6.0esr-1 - Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 128.3
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-2024-9399?
CVE-2024-9399 has been categorized as a denial of service vulnerability, which can lead to crashing the Firefox process.
How do I fix CVE-2024-9399?
To resolve CVE-2024-9399, upgrade Firefox to version 131 or Thunderbird to version 131 or later.
Which software versions are affected by CVE-2024-9399?
CVE-2024-9399 affects Firefox versions up to 131 and Thunderbird versions up to 131.
What types of attacks does CVE-2024-9399 enable?
CVE-2024-9399 enables attackers to initiate specially crafted WebTransport sessions that could cause crashes.
Is CVE-2024-9399 specific to certain operating systems?
CVE-2024-9399 is primarily a vulnerability in the Firefox and Thunderbird applications regardless of the operating system.