CVE-2020-9818.

Source-reported disclosure and enrichment record.

SEVERITY / CVSSUnscoredNo severity score in this snapshot.

EXPLOITATION STATUSCISA known exploitedAdded Nov 03, 2021

RECORD STATUSAwaiting NVD dataModified Nov 03, 2021

Disclosure summary

Apple iOS, iPadOS, and watchOS Mail contains an out-of-bounds write vulnerability which may allow memory modification or application termination when processing a maliciously crafted mail message.

CISA remediation guidance

Apply updates per vendor instructions.

Original records & references

NIST NVD record
CVE Program record
CISA KEV catalog entry

PUBLISHED 2021-11-03T00:00:00-04:00
MODIFIED 2021-11-03T00:00:00-04:00
INGESTED 2026-10-06T11:42:59-04:00