Mozilla · Firefox Esr · CVE-2023-4574
**Name of the Vulnerable Software and Affected Versions**
Firefox versions prior to 117
Firefox ESR versions prior to 102.15 and prior to 115.2
Thunderbird versions prior to 102.15 and prior to 115.2
**Description**
The issue is related to the creation of callbacks over IPC for showing the Color Picker window, where multiple callbacks could be created and destroyed simultaneously, leading to a use-after-free causing a potentially exploitable crash. This could allow a remote attacker to impact the confidentiality, integrity, and availability of protected information.
**Recommendations**
For Firefox versions prior to 117, update to version 117 or later.
For Firefox ESR versions prior to 102.15, update to version 102.15 or later.
For Firefox ESR versions prior to 115.2, update to version 115.2 or later.
For Thunderbird versions prior to 102.15, update to version 102.15 or later.
For Thunderbird versions prior to 115.2, update to version 115.2 or later.