CVE-2024-40779 Memory corruption in Safari
An out-of-bounds read in Safari allows attackers to cause a process crash by processing maliciously crafted web content.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Local or same network only
- Victim action needed
- A user has to click or open something
- Fix
- Available
What is CVE-2024-40779?
CVE-2024-40779 is a medium-severity memory corruption vulnerability in Apple Ipados, published on 29 Jul 2024. It can only be exploited from the same machine or local network, and only if a user opens a file or follows a link.
Official description
An out-of-bounds read was addressed with improved bounds checking. This issue is fixed in Safari 17.6, iOS 16.7.9 and iPadOS 16.7.9, iOS 17.6 and iPadOS 17.6, macOS Sonoma 14.6, tvOS 17.6, visionOS 1.3, watchOS 10.6. Processing maliciously crafted web content may lead to an unexpected process crash.
Weakness: CWE-125
Which versions are affected by CVE-2024-40779?
It affects 7 products.
Linux distribution packages (4)
libQtWebKit4 SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 4.8.7+2.3.4-4.10.1 |
libqt5-qtwebkit SUSE:Linux Enterprise Server 12 SP5-LTSS | All versions | 5.6.2-3.3.1 |
libQtWebKit4 SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 4.8.7+2.3.4-4.10.1 |
libqt5-qtwebkit SUSE:Linux Enterprise Server LTSS Extended Security 12 SP5 | All versions | 5.6.2-3.3.1 |
Products include Apple Ipados, Apple Iphone Os, Apple Macos, Apple Safari, Apple Tvos, Apple Visionos and 1 more.
How do I fix CVE-2024-40779?
Upgrade to a fixed version.
Upgrade to the fixed version. Memory-safe languages, compiler hardening and fuzzing prevent most new cases. More about Memory corruption.
Is CVE-2024-40779 being exploited?
There is no known exploitation of CVE-2024-40779 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 DEBIAN-CVE-2024-40779, GHSA-7j6x-9hgr-mv7c, SUSE-SU-2025:0139-1, SUSE-SU-2025:0194-1, UBUNTU-CVE-2024-40779.