Double Free in Apple iOS And Ipados

CVE-2021-30703

A double free issue was addressed with improved memory management. This issue is fixed in tvOS 14.6, iOS 14.6 and iPadOS 14.6, Security Update 2021-004 Catalina, Security Update 2021-005 Mojave, macOS Big Sur 11.4, watchOS 7.5. An application may be able to execute arbitrary code with kernel privileges.

Vulnerability class: Double Free

EPSS: 0.003 (25.7th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 7.8 (High). Vector: CVSS:3.1/AV:L/AC:L/PR:L/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-2021-30703?
CVE-2021-30703 is a high-severity vulnerability in Apple iOS And Ipados, classified under Double Free. CVSS score: 7.8/10. Published 2021-09-08.
How severe is CVE-2021-30703?
High severity. CVSS v3 base score is 7.8 out of 10.
Is CVE-2021-30703 known to be exploited?
1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.