Vulnerability · Published Mar 28, 2024 · Assigned by apple

CVE-2023-42956

Medium 6.5

In plain English

A medium-severity security flaw 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 1.0% (higher than 62% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)6.5Medium
Exploit odds (30 days)1.0%top 37.6% 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 Safari 17.2, iOS 17.2 and iPadOS 17.2, macOS Sonoma 14.2. Processing web content may lead to a denial-of-service.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:9webkit2gtk32.44.3-2.el9ALSA-2024:9144
AlmaLinux:9webkit2gtk3-devel2.44.3-2.el9ALSA-2024:9144
AlmaLinux:9webkit2gtk3-jsc2.44.3-2.el9ALSA-2024:9144
AlmaLinux:9webkit2gtk3-jsc-devel2.44.3-2.el9ALSA-2024:9144
Debian:12webkit2gtk2.44.1-1~deb12u1DSA-5684-1
Debian:12webkit2gtk2.44.1-1~deb12u1DEBIAN-CVE-2023-42956
Debian:13webkit2gtk2.44.0-1DEBIAN-CVE-2023-42956
Debian:14webkit2gtk2.44.0-1DEBIAN-CVE-2023-42956
Debian:12wpewebkitno fix listedDEBIAN-CVE-2023-42956
Debian:13wpewebkit2.44.1-1DEBIAN-CVE-2023-42956
Debian:14wpewebkit2.44.1-1DEBIAN-CVE-2023-42956
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-42956
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-42956
Ubuntu:22.04:LTSwebkit2gtk2.44.0-0ubuntu0.22.04.1USN-6732-1
Ubuntu:22.04:LTSwebkit2gtk2.44.0-0ubuntu0.22.04.1UBUNTU-CVE-2023-42956
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2023-42956

Affected products (as reported)

VendorProductVersions
Apple Safari unspecified – before 17.2
Apple iOS and iPadOS unspecified – before 17.2
Apple macOS unspecified – before 14.2

References