cve.bz

CVE-2020-3856

7.8 highEPSS 0.9%

High (7.8) in apple. EPSS 0.9% chance of exploitation in the next 30 days.

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.3.1 and iPadOS 13.3.1, macOS Catalina 10.15.3, tvOS 13.3.1, watchOS 6.1.2. Processing a maliciously crafted string may lead to heap corruption.

Severity

CVSS 3.1

7.8 high
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS
0.9% chance of exploitation in the next 30 days; higher than 60% of CVEs (scores of 2026-10-31)
CWEs
CWE-20, CWE-787
Published
Modified
Record from
the NVD, synced

Affected

References

Check your stackJSON