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Vulnerability · Published Feb 27, 2023 · Assigned by apple

CVE-2023-23518

High 8.8

In plain English

A high-severity out-of-bounds write in iOS and iPadOS from Apple. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 0.9% (higher than 60% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)0.9%top 40.1% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

The issue was addressed with improved memory handling. This issue is fixed in macOS Monterey 12.6.3, macOS Ventura 13.2, watchOS 9.3, macOS Big Sur 11.7.3, Safari 16.3, tvOS 16.3, iOS 16.3 and iPadOS 16.3. Processing maliciously crafted web content may lead to arbitrary code execution.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.38.5-1.el8ALSA-2023:2834
AlmaLinux:9webkit2gtk32.38.5-1.el9ALSA-2023:2256
AlmaLinux:8webkit2gtk3-devel2.38.5-1.el8ALSA-2023:2834
AlmaLinux:9webkit2gtk3-devel2.38.5-1.el9ALSA-2023:2256
AlmaLinux:8webkit2gtk3-jsc2.38.5-1.el8ALSA-2023:2834
AlmaLinux:9webkit2gtk3-jsc2.38.5-1.el9ALSA-2023:2256
AlmaLinux:8webkit2gtk3-jsc-devel2.38.5-1.el8ALSA-2023:2834
AlmaLinux:9webkit2gtk3-jsc-devel2.38.5-1.el9ALSA-2023:2256
Debian:12webkit2gtk2.38.4-1DEBIAN-CVE-2023-23518
Debian:13webkit2gtk2.38.4-1DEBIAN-CVE-2023-23518
Debian:14webkit2gtk2.38.4-1DEBIAN-CVE-2023-23518
Debian:12wpewebkit2.38.4-1DEBIAN-CVE-2023-23518
Debian:13wpewebkit2.38.4-1DEBIAN-CVE-2023-23518
Debian:14wpewebkit2.38.4-1DEBIAN-CVE-2023-23518
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-23518
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-23518
Ubuntu:22.04:LTSwebkit2gtk2.38.4-0ubuntu0.22.04.1UBUNTU-CVE-2023-23518
Ubuntu:22.04:LTSwebkit2gtk2.38.4-0ubuntu0.22.04.1USN-5867-1
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2023-23518

Affected products (as reported)

VendorProductVersions
Apple iOS and iPadOS unspecified – before 16.3
Apple tvOS unspecified – before 16.3
Apple Safari unspecified – before 16.3
Apple macOS unspecified – before 11.7
Apple macOS unspecified – before 13.2
Apple macOS unspecified – before 12.6
Apple watchOS unspecified – before 9.3

Weakness: CWE-787 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References