CVE-2023-42970
published 2025-04-11CVE-2023-42970: A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari…
PriorityP349high8.8CVSS 3.1
AVNACLPRNUIRSUCHIHAH
EPSS
0.52%
40.9th percentile
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
Affected
18 ranges
| Vendor | Product | Version range | Fixed in |
|---|---|---|---|
| apple | ios_17_and_ipados | — | — |
| apple | ios_and_ipados | >= unspecified < 17 | 17 |
| apple | ipados | < 17.0 | 17.0 |
| apple | iphone_os | < 17.0 | 17.0 |
| apple | macos | < 14.0 | 14.0 |
| apple | macos | >= unspecified < 14 | 14 |
| apple | macos_sonoma | — | — |
| apple | safari | < 17.0 | 17.0 |
| apple | safari | — | — |
| apple | safari | >= unspecified < 17 | 17 |
| apple | tvos | < 17.0 | 17.0 |
| apple | tvos | — | — |
| apple | tvos | >= unspecified < 17 | 17 |
| apple | watchos | < 10.0 | 10.0 |
| apple | watchos | — | — |
| apple | watchos | >= unspecified < 10 | 10 |
| debian | webkit2gtk | < webkit2gtk 2.42.1-1~deb12u1 (bookworm) | webkit2gtk 2.42.1-1~deb12u1 (bookworm) |
| debian | wpewebkit | < webkit2gtk 2.42.1-1~deb12u1 (bookworm) | webkit2gtk 2.42.1-1~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 web content may lead to arbitrary code execution
vendor_redhat·2025-05-15·CVSS 8.8
CVE-2023-42970 [HIGH] CWE-416 webkitgtk: Processing web content may lead to arbitrary code execution
webkitgtk: Processing web content may lead to arbitrary code execution
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
A flaw was found in WebKitGTK. Processing malicious web content can cause a use-after-free issue due to improper memory management and result in arbitrary code execution.
Statement: To exploit this flaw, an attacker needs to trick a user into processing or loading malicious web content.
Mitigation: Do not process or load untrusted web content with WebKitGTK.
In Red Hat Enterprise Linux 7, the following packages require WebKitGTK4: evolution-data-server, glade, gnome-boxes, gnome-initial-setup, g
Apple
CVE-2023-42970: Safari 17
vendor_apple·2023-09-26·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: Safari 17
Apple Security Update: About the security content of Safari 17
Product: Safari
Version: 17
CVE: CVE-2023-42970
Component: WebKit
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory management.
Apple
CVE-2023-42970: macOS Sonoma 14
vendor_apple·2023-09-26·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: macOS Sonoma 14
Apple Security Update: About the security content of macOS Sonoma 14
Product: macOS Sonoma
Version: 14
CVE: CVE-2023-42970
Component: WebKit
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory management.
Apple
CVE-2023-42970: watchOS 10
vendor_apple·2023-09-18·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: watchOS 10
Apple Security Update: About the security content of watchOS 10
Product: watchOS
Version: 10
CVE: CVE-2023-42970
Component: WebKit
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory management.
Apple
CVE-2023-42970: tvOS 17
vendor_apple·2023-09-18·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: tvOS 17
Apple Security Update: About the security content of tvOS 17
Product: tvOS
Version: 17
CVE: CVE-2023-42970
Component: WebKit
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory management.
Apple
CVE-2023-42970: iOS 17 and iPadOS 17
vendor_apple·2023-09-18·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: iOS 17 and iPadOS 17
Apple Security Update: About the security content of iOS 17 and iPadOS 17
Product: iOS 17 and iPadOS
Version: 17
CVE: CVE-2023-42970
Component: WebKit
Impact: Processing web content may lead to arbitrary code execution
Description: A use-after-free issue was addressed with improved memory management.
Debian
CVE-2023-42970: webkit2gtk - A use-after-free issue was addressed with improved memory management. This issue...
vendor_debian·2023·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: webkit2gtk - A use-after-free issue was addressed with improved memory management. This issue...
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
Scope: local
bookworm: resolved (fixed in 2.42.1-1~deb12u1)
bullseye: resolved (fixed in 2.42.1-1~deb11u1)
forky: resolved (fixed in 2.42.0-1)
sid: resolved (fixed in 2.42.0-1)
trixie: resolved (fixed in 2.42.0-1)
OSV
CVE-2023-42970: A use-after-free issue was addressed with improved memory management
osv·2025-04-11·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970: A use-after-free issue was addressed with improved memory management
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
GHSA
GHSA-9v5v-qfv2-66qp: A use-after-free issue was addressed with improved memory management
ghsa_unreviewed·2025-04-11
CVE-2023-42970 [HIGH] CWE-416 GHSA-9v5v-qfv2-66qp: A use-after-free issue was addressed with improved memory management
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
No detection rules found.
No public exploits indexed.
Bugzilla
CVE-2023-42970 webkitgtk: Processing web content may lead to arbitrary code execution
bugzilla·2025-05-15·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970 webkitgtk: Processing web content may lead to arbitrary code execution
CVE-2023-42970 webkitgtk: Processing web content may lead to arbitrary code execution
A use-after-free issue was addressed with improved memory management. This issue is fixed in iOS 17 and iPadOS 17, macOS Sonoma 14, watchOS 10, tvOS 17, Safari 17. Processing web content may lead to arbitrary code execution.
Discussion:
This issue has been addressed in the following products:
Red Hat Enterprise Linux 7 Extended Lifecycle Support
Via RHSA-2025:10364 https://access.redhat.com/errata/RHSA-2025:10364
Bugzilla
CVE-2023-42970 webkit2gtk4.0: Processing web content may lead to arbitrary code execution [fedora-all]
bugzilla·2025-05-15·CVSS 8.8
CVE-2023-42970 [HIGH] CVE-2023-42970 webkit2gtk4.0: Processing web content may lead to arbitrary code execution [fedora-all]
CVE-2023-42970 webkit2gtk4.0: Processing web content may lead to arbitrary code execution [fedora-all]
More information about this security flaw is available in the following bug:
https://bugzilla.redhat.com/show_bug.cgi?id=2366498
Disclaimer: Community trackers are created by Red Hat Product Security team on a best effort basis. Package maintainers are required to ascertain if the flaw indeed affects their package, before starting the update process.
Discussion:
This message is a reminder that Fedora Linux 42 is nearing its end of life.
Fedora will stop maintaining and issuing updates for Fedora Linux 42 on 2026-05-13.
It is Fedora's policy to close all bug reports from releases that are no longer
maintained. At that time this bug will be closed as EOL if it remains open with a
'vers
2025-04-11
Published