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Vulnerability · Published Nov 4, 2025 · Assigned by apple

CVE-2025-43429

Medium 4.3

In plain English

A medium-severity memory corruption 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 1.5% (higher than 73% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.

Severity (CVSS 3.1)4.3Medium
Exploit odds (30 days)1.5%top 26.5% of all CVEs
Exploited in the wildNo reportsCISA SSVC: none
Attack toolingNoneno public tooling known

Official description

A buffer overflow was addressed with improved bounds checking. This issue is fixed in Safari 26.1, iOS 18.7.2 and iPadOS 18.7.2, iOS 26.1 and iPadOS 26.1, macOS Tahoe 26.1, tvOS 26.1, visionOS 26.1, watchOS 26.1. Processing maliciously crafted web content may lead to an unexpected process crash.

Affected packages & fixed versions

EcosystemPackageFixed inAdvisory
AlmaLinux:8webkit2gtk32.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk32.50.3-1.el9_7ALSA-2025:22790
AlmaLinux:8webkit2gtk3-devel2.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk3-devel2.50.3-1.el9_7ALSA-2025:22790
AlmaLinux:8webkit2gtk3-jsc2.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk3-jsc2.50.3-1.el9_7ALSA-2025:22790
AlmaLinux:8webkit2gtk3-jsc-devel2.50.3-1.el8_10ALSA-2025:22789
AlmaLinux:9webkit2gtk3-jsc-devel2.50.3-1.el9_7ALSA-2025:22790
Debian:12webkit2gtk2.50.2-1~deb12u1DEBIAN-CVE-2025-43429
Debian:12webkit2gtk2.50.2-1~deb12u1DSA-6070-1
Debian:13webkit2gtk2.50.2-1~deb13u1DSA-6070-1
Debian:13webkit2gtk2.50.2-1~deb13u1DEBIAN-CVE-2025-43429
Debian:14webkit2gtk2.50.2-1DEBIAN-CVE-2025-43429
Debian:12wpewebkitno fix listedDEBIAN-CVE-2025-43429
Debian:13wpewebkitno fix listedDEBIAN-CVE-2025-43429
Debian:14wpewebkit2.50.2-1DEBIAN-CVE-2025-43429
Rocky Linux:8webkit2gtk30:2.50.3-1.el8_10RLSA-2025:22789
Rocky Linux:9webkit2gtk30:2.50.3-1.el9_7RLSA-2025:22790
Ubuntu:22.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2025-43429
Ubuntu:24.04:LTSqtwebkit-opensource-srcno fix listedUBUNTU-CVE-2025-43429
Ubuntu:22.04:LTSwebkit2gtk2.50.2-0ubuntu0.22.04.2USN-7914-1
Ubuntu:22.04:LTSwebkit2gtk2.50.2-0ubuntu0.22.04.2UBUNTU-CVE-2025-43429
Ubuntu:24.04:LTSwebkit2gtk2.50.2-0ubuntu0.24.04.2UBUNTU-CVE-2025-43429
Ubuntu:24.04:LTSwebkit2gtk2.50.2-0ubuntu0.24.04.2USN-7914-1
Ubuntu:25.10webkit2gtk2.50.2-0ubuntu0.25.10.2USN-7914-1
Ubuntu:25.10webkit2gtk2.50.2-0ubuntu0.25.10.2UBUNTU-CVE-2025-43429
Ubuntu:22.04:LTSwpewebkitno fix listedUBUNTU-CVE-2025-43429

Affected products (as reported)

VendorProductVersions
Apple Safari 0 – before 26.1
Apple iOS and iPadOS 0 – before 18.7.20 – before 26.1
Apple macOS 0 – before 26.1
Apple tvOS 0 – before 26.1
Apple visionOS 0 – before 26.1
Apple watchOS 0 – before 26.1

Weakness: CWE-119 · Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

References