CVE-2022-22638 Null dereference in iOS and iPadOS
A privileged attacker can cause a denial of service via a null pointer dereference in Apple operating systems.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2022-22638?
CVE-2022-22638 is a medium-severity vulnerability in Apple Ipados, published on 18 Mar 2022. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
A null pointer dereference was addressed with improved validation. This issue is fixed in tvOS 15.4, iOS 15.4 and iPadOS 15.4, macOS Big Sur 11.6.5, Security Update 2022-003 Catalina, watchOS 8.5, macOS Monterey 12.3. An attacker in a privileged position may be able to perform a denial of service attack.
Weakness: CWE-476
Which versions are affected by CVE-2022-22638?
It affects 6 products.
Products include Apple Ipados, Apple Iphone Os, Apple Mac Os X, Apple Macos, Apple Tvos, Apple Watchos.
How do I fix CVE-2022-22638?
No fix has been published for CVE-2022-22638 yet. Limit exposure of the affected software until one is available.
Is CVE-2022-22638 being exploited?
There is no known exploitation of CVE-2022-22638 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-99mr-5r92-ggx5.