Buffer overflow in Apple Ios And Ipados

CVE-2021-1882

A memory corruption issue was addressed with improved validation. This issue is fixed in Security Update 2021-002 Catalina, iOS 14.5 and iPadOS 14.5, watchOS 7.4, tvOS 14.5, macOS Big Sur 11.3. An application may be able to gain elevated p…

Vulnerability class: Buffer Overflow

EPSS: 0.017 (74.6th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

Affected products

Weakness classification (CWE)

Public proof-of-concept exploits

References

Frequently asked questions

What is CVE-2021-1882?
CVE-2021-1882 is a critical-severity vulnerability in Apple Ios And Ipados, classified under Out-of-bounds Write. CVSS score: 9.8/10. Published 2021-09-08.
How severe is CVE-2021-1882?
Critical severity. CVSS v3 base score is 9.8 out of 10.
Is CVE-2021-1882 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.