CVE-2021-1878
3Vexday Risk Score
No sign of exploitation. No public exploitation artifact known so far.
ssvc Trackepss 1.8%
exploitation probability
1.8%top 22% of all CVEs
observed exploitation
nono source reports it
An integer overflow was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.3, Security Update 2021-002 Catalina, Security Update 2021-003 Mojave. An attacker in a privileged network position may be able to leak sensitive user information.
Affected products
Apple · macOS