CVE-2020-9837 Information disclosure in iOS
A remote attacker can leak memory due to an out-of-bounds read in Apple operating systems, requiring an upgrade to patched versions.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2020-9837?
CVE-2020-9837 is a high-severity vulnerability in Apple Ipados, published on 9 Jun 2020. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in iOS 13.5 and iPadOS 13.5, macOS Catalina 10.15.5, tvOS 13.4.5. A remote attacker may be able to leak memory.
Weakness: CWE-125
Which versions are affected by CVE-2020-9837?
It affects 4 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Tvos.
How do I fix CVE-2020-9837?
No fix has been published for CVE-2020-9837 yet. Limit exposure of the affected software until one is available.
Is CVE-2020-9837 being exploited?
There is no known exploitation of CVE-2020-9837 in the wild and no public exploit code.
Other vulnerabilities in Apple Ipados
- CVE-2025-43300 Apple iOS, iPadOS, and macOS Out-of-Bounds Write
- CVE-2025-24201 Apple Multiple Products WebKit Out-of-Bounds Write
- CVE-2025-24085 Apple Multiple Products Use-After-Free
- CVE-2025-31200 Apple Multiple Products Memory Corruption
- CVE-2025-31201 Apple Multiple Products Arbitrary Read and Write
Sources
Also known as GHSA-8cpf-6gm8-536g.