CVE-2024-3861: Use After Free
If an AlignedBuffer were assigned to itself, the subsequent self-move could result in an incorrect reference count and later use-after-free.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
Thunderbirdto a version that resolves this vulnerability.Fixed in 115.10 - Upgrade
Upgrade
Firefoxto a version that resolves this vulnerability.Fixed in 125 - Upgrade
Upgrade
Firefox ESRto a version that resolves this vulnerability.Fixed in 115.10 - Upgrade
Upgrade
redhat/firefoxto a version that resolves this vulnerability.Fixed in 115.10 - Upgrade
Upgrade
redhat/thunderbirdto a version that resolves this vulnerability.Fixed in 115.10 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.10.0esr-1~deb12u1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 115.10.0esr-1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.10.1-1~deb12u1 - Upgrade
Upgrade
debian/thunderbirdto a version that resolves this vulnerability.Fixed in 1:115.10.1-1 - Upgrade
Upgrade
debian/firefoxto a version that resolves this vulnerability.Fixed in 160.0-1 - Upgrade
Upgrade
debian/firefox-esrto a version that resolves this vulnerability.Fixed in 140.12.0esr-1~deb12u1Fixed in 153.7.0esr-1~deb12u1Fixed in 140.15.0esr-1~deb13u1Fixed in 153.6.0esr-1~deb13u1Fixed in 153.5.1esr-1Fixed in 153.7.0esr-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 1:153.7.0esr-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-2024-3861?
CVE-2024-3861 has been categorized as a medium severity vulnerability.
How do I fix CVE-2024-3861?
To fix CVE-2024-3861, upgrade affected software to the specified versions, such as Firefox 115.10 or newer.
What software is affected by CVE-2024-3861?
CVE-2024-3861 affects versions of Firefox, Thunderbird, and Firefox ESR up to 115.10.
What risks are associated with CVE-2024-3861?
CVE-2024-3861 can lead to use-after-free vulnerabilities, possibly allowing an attacker to execute arbitrary code.
Is there a workaround for CVE-2024-3861?
Currently, upgrading to the fixed versions is the recommended resolution for CVE-2024-3861, with no known workarounds.