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Actively exploited · Published Jun 23, 2023 · Assigned by apple

CVE-2023-32373

High 8.8 Exploited

In plain English

A high-severity use-after-free in iOS and iPadOS from Apple. Attackers are actively exploiting it in the wild (listed by CISA on May 22, 2023). The chance it is exploited in the next 30 days is estimated at 12.2% (higher than 96% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)8.8High
Exploit odds (30 days)12.2%top 3.8% of all CVEs
Exploited in the wildYesCISA KEV since May 22, 2023
Attack toolingNoneno public tooling known

CISA guidance

Apply updates per vendor instructions.

Federal agencies must remediate by Jun 12, 2023.

Official description

A use-after-free issue was addressed with improved memory management. This issue is fixed in watchOS 9.5, tvOS 16.5, macOS Ventura 13.4, iOS 15.7.6 and iPadOS 15.7.6, Safari 16.5, iOS 16.5 and iPadOS 16.5. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been actively exploited.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.38.5-1.el8_8.4ALSA-2023:3433
AlmaLinux:9webkit2gtk32.38.5-1.el9_2.2ALSA-2023:3432
AlmaLinux:8webkit2gtk3-devel2.38.5-1.el8_8.4ALSA-2023:3433
AlmaLinux:9webkit2gtk3-devel2.38.5-1.el9_2.2ALSA-2023:3432
AlmaLinux:8webkit2gtk3-jsc2.38.5-1.el8_8.4ALSA-2023:3433
AlmaLinux:9webkit2gtk3-jsc2.38.5-1.el9_2.2ALSA-2023:3432
AlmaLinux:8webkit2gtk3-jsc-devel2.38.5-1.el8_8.4ALSA-2023:3433
AlmaLinux:9webkit2gtk3-jsc-devel2.38.5-1.el9_2.2ALSA-2023:3432
Debian:12webkit2gtk2.40.2-1~deb12u1DEBIAN-CVE-2023-32373
Debian:12webkit2gtk2.40.2-1~deb12u1DSA-5427-1
Debian:13webkit2gtk2.40.2-1DEBIAN-CVE-2023-32373
Debian:14webkit2gtk2.40.2-1DEBIAN-CVE-2023-32373
Debian:12wpewebkitno fix listedDEBIAN-CVE-2023-32373
Debian:13wpewebkit2.40.2-2DEBIAN-CVE-2023-32373
Debian:14wpewebkit2.40.2-2DEBIAN-CVE-2023-32373
Rocky Linux:8webkit2gtk30:2.38.5-1.el8_8.4RLSA-2023:3433
Rocky Linux:9webkit2gtk30:2.38.5-1.el9_2.2RLSA-2023:3432
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-32373
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2023-32373
Ubuntu:22.04:LTSwebkit2gtk2.40.4-0ubuntu0.22.04.1UBUNTU-CVE-2023-32373
Ubuntu:22.04:LTSwebkit2gtk2.40.4-0ubuntu0.22.04.1USN-6264-1
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2023-32373

Affected products (as reported)

VendorProductVersions
Apple macOS unspecified – before 13.4
Apple Safari unspecified – before 16.5
Apple watchOS unspecified – before 9.5
Apple iOS and iPadOS unspecified – before 15.7
Apple iOS and iPadOS unspecified – before 16.5
Apple tvOS unspecified – before 16.5

Weakness: CWE-416 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

References