CVE-2025-43419
published 2025-11-04CVE-2025-43419: The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS…
PriorityP348high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.37%
29.3th percentile
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.
Affected
20 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_26_and_ipados | — | — |
| apple | ios_and_ipados | < 26 | 26 |
| apple | ipados | < 26.0 | 26.0 |
| apple | iphone_os | < 26.0 | 26.0 |
| apple | macos | < 26 | 26 |
| apple | macos_tahoe | — | — |
| apple | safari | < 26 | 26 |
| apple | safari | < 26.0 | 26.0 |
| apple | safari | — | — |
| apple | tvos | < 26 | 26 |
| apple | tvos | < 26.0 | 26.0 |
| apple | tvos | — | — |
| apple | visionos | < 26 | 26 |
| apple | visionos | < 26.0 | 26.0 |
| apple | visionos | — | — |
| apple | watchos | < 26 | 26 |
| apple | watchos | < 26.0 | 26.0 |
| apple | watchos | — | — |
| debian | webkit2gtk | < webkit2gtk 2.50.1-1~deb12u1 (bookworm) | webkit2gtk 2.50.1-1~deb12u1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.50.1-1~deb12u1 (bookworm) | webkit2gtk 2.50.1-1~deb12u1 (bookworm) |
CVSS provenance
nvdv3.18.8HIGHCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
osv8.8HIGH
vendor_debian8.8HIGH
vendor_redhat8.8HIGH
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Red Hat
webkitgtk: Processing maliciously crafted web content may lead to memory corruption
vendor_redhat·2025-11-20·CVSS 8.8
CVE-2025-43419 [HIGH] CWE-119 webkitgtk: Processing maliciously crafted web content may lead to memory corruption
webkitgtk: Processing maliciously crafted web content may lead to memory corruption
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.
A flaw was found in WebKitGTK. Processing malicious web content can cause memory corruption due to improper memory handling.
Statement: To exploit this issue, an attacker needs to trick a user into processing or loading malicious web content. Due to this reason, this flaw has been rated with an important severity.
Additionally, this issue can cause memory corruption and the possibility of remote code execution is not discarded.
Mitigation: Do not process or load untrusted
Apple
CVE-2025-43419: tvOS 26
vendor_apple·2025-09-15·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: tvOS 26
Apple Security Update: About the security content of tvOS 26
Product: tvOS
Version: 26
CVE: CVE-2025-43419
Component: WebKit
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
Apple
CVE-2025-43419: Safari 26
vendor_apple·2025-09-15·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: Safari 26
Apple Security Update: About the security content of Safari 26
Product: Safari
Version: 26
CVE: CVE-2025-43419
Component: WebKit
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
Apple
CVE-2025-43419: macOS Tahoe 26
vendor_apple·2025-09-15·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: macOS Tahoe 26
Apple Security Update: About the security content of macOS Tahoe 26
Product: macOS Tahoe
Version: 26
CVE: CVE-2025-43419
Component: WebKit
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
Apple
CVE-2025-43419: visionOS 26
vendor_apple·2025-09-15·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: visionOS 26
Apple Security Update: About the security content of visionOS 26
Product: visionOS
Version: 26
CVE: CVE-2025-43419
Component: WebKit
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
Apple
CVE-2025-43419: iOS 26 and iPadOS 26
vendor_apple·2025-09-15·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: iOS 26 and iPadOS 26
Apple Security Update: About the security content of iOS 26 and iPadOS 26
Product: iOS 26 and iPadOS
Version: 26
CVE: CVE-2025-43419
Component: WebKit
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
Apple
CVE-2025-43419: watchOS 26
vendor_apple·2025-09-15·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: watchOS 26
Apple Security Update: About the security content of watchOS 26
Product: watchOS
Version: 26
CVE: CVE-2025-43419
Component: WebKit
Impact: Processing maliciously crafted web content may lead to memory corruption
Description: The issue was addressed with improved memory handling.
Debian
CVE-2025-43419: webkit2gtk - The issue was addressed with improved memory handling. This issue is fixed in Sa...
vendor_debian·2025·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: webkit2gtk - The issue was addressed with improved memory handling. This issue is fixed in Sa...
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.
Scope: local
bookworm: resolved (fixed in 2.50.1-1~deb12u1)
bullseye: resolved (fixed in 2.50.0-1)
forky: resolved (fixed in 2.50.0-1)
sid: resolved (fixed in 2.50.0-1)
trixie: resolved (fixed in 2.50.1-1~deb13u1)
OSV
CVE-2025-43419: The issue was addressed with improved memory handling
osv·2025-11-04·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: The issue was addressed with improved memory handling
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to memory corruption.
GHSA
GHSA-xvjg-xxqh-hg7q: The issue was addressed with improved memory handling
ghsa_unreviewed·2025-11-04
CVE-2025-43419 [HIGH] CWE-119 GHSA-xvjg-xxqh-hg7q: The issue was addressed with improved memory handling
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. Processing maliciously crafted web content may lead to memory corruption.
OSV
CVE-2025-43419: The issue was addressed with improved memory handling
osv·2025-11-04·CVSS 8.8
CVE-2025-43419 [HIGH] CVE-2025-43419: The issue was addressed with improved memory handling
The issue was addressed with improved memory handling. This issue is fixed in Safari 26, tvOS 26, watchOS 26, iOS 26 and iPadOS 26, visionOS 26. Processing maliciously crafted web content may lead to memory corruption.
No detection rules found.
No public exploits indexed.
2025-11-04
Published