Apple iOS, iPadOS, and watchOS Memory Corruption Vulnerability (CVE-2020-9819)
Severity: medium · Patch status: patched · Since 2021-11-03 · CVE-2020-9819
Apple iOS, iPadOS, and watchOS Mail contains a memory corruption vulnerability that may allow heap corruption when processing a maliciously crafted mail message. CISA added CVE-2020-9819 to its Known Exploited Vulnerabilities catalog on Nov 3, 2021, which means attackers are exploiting it in the wild.
What to do
- Apply updates per vendor instructions.
- US federal agencies must remediate by May 3, 2022 (BOD 22-01); treat that as the outer limit.
Sources
All live incidents on Threat Watch