Apple Multiple Products Memory Corruption Vulnerability

HIGH 7.8EXPLOITED (CISA KEV)CVE-2020-27930 · Published 08/12/2020 · updated 17/06/2026

Apple Multiple Products Memory Corruption Vulnerability. Actively exploited: CISA added this vulnerability to its Known Exploited Vulnerabilities catalog on 03/11/2021. Patch affected systems as an emergency.

Package	Affected versions	Patched versions
Multiple Products Apple	Versions not published yet (product named by CISA KEV)

Description

A memory corruption issue was addressed with improved input validation. This issue is fixed in macOS Big Sur 11.0.1, watchOS 7.1, iOS 12.4.9, watchOS 6.2.9, Security Update 2020-006 High Sierra, Security Update 2020-006 Mojave, iOS 14.2 and iPadOS 14.2, watchOS 5.3.9, macOS Catalina 10.15.7 Supplemental Update, macOS Catalina 10.15.7 Update. Processing a maliciously crafted font may lead to arbitrary code execution.

References

packetstormsecurity.com/files/161294/Apple-Safari-Remote-Code-Execution.html · Third Party Advisory
seclists.org/fulldisclosure/2020/Dec/32 · Mailing List
support.apple.com/en-us/HT211928 · Vendor Advisory
support.apple.com/en-us/HT211929 · Vendor Advisory
support.apple.com/en-us/HT211931 · Vendor Advisory
support.apple.com/en-us/HT211940 · Vendor Advisory
support.apple.com/en-us/HT211944 · Vendor Advisory
support.apple.com/en-us/HT211945 · Vendor Advisory
support.apple.com/en-us/HT211946 · Vendor Advisory
support.apple.com/en-us/HT211947 · Vendor Advisory
cisa.gov/known-exploited-vulnerabilities-catalog · US Government Resource
CISA KEV · CVE-2020-27930

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Package	Affected versions	Patched versions
Multiple Products Apple	Versions not published yet (product named by CISA KEV)

Package

Affected versions

Patched versions

Multiple Products

Apple

Versions not published yet (product named by CISA KEV)

Description