Double Free in Apple iOS
CVE-2020-9844
A double free issue was addressed with improved memory management. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5. A remote attacker may be able to cause unexpected system termination or corrupt kernel memory.
Vulnerability class: Double Free
Published · last modified .
CVSS v3 metric
CVSS v3 base score 7.5 (High). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.
EPSS exploit prediction
EPSS: 0.018 (77.3th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 77th percentile — 77.3% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.018 · newest: 0.018 · change: 0.000
Affected products
- Apple iOS — versions unspecified
- Apple Ipados
- Apple Iphone OS
- Apple macOS — versions unspecified
- Apple Mac OS X — versions 10.13.6, 10.14.6
Weakness classification (CWE)
References
- support.apple.com/HT211168 (Vendor Advisory)
- support.apple.com/HT211170 (Vendor Advisory)
Frequently asked questions
- What is CVE-2020-9844?
- CVE-2020-9844 is a high-severity vulnerability in Apple iOS, classified under Double Free. CVSS score: 7.5/10. Published 2020-06-09.
- How severe is CVE-2020-9844?
- High severity. CVSS v3 base score is 7.5 out of 10.