Out-of-bounds Read in Apple Ios

CVE-2021-30789

An out-of-bounds read was addressed with improved input validation. This issue is fixed in iOS 14.7, macOS Big Sur 11.5, watchOS 7.6, tvOS 14.7, Security Update 2021-004 Catalina. Processing a maliciously crafted font file may lead to arbi…

Vulnerability class: Buffer Overflow

EPSS: 0.012 (66.1th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

References

Frequently asked questions

What is CVE-2021-30789?
CVE-2021-30789 is a high-severity vulnerability in Apple Ios, classified under Out-of-bounds Read. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30789?
High severity. CVSS v3 base score is 7.8 out of 10.