Buffer overflow in Apple iOS

CVE-2020-9906

A memory corruption issue was addressed with improved input validation. This issue is fixed in iOS 13.6 and iPadOS 13.6, macOS Catalina 10.15.6, watchOS 6.2.8. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.

Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)

EPSS: 0.048 (91.0th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.1 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2020-9906?
CVE-2020-9906 is a critical-severity vulnerability in Apple iOS, classified under Improper Input Validation. CVSS score: 9.1/10. Published 2020-10-22.
How severe is CVE-2020-9906?
Critical severity. CVSS v3 base score is 9.1 out of 10.
Is CVE-2020-9906 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.