Description
A use-after-free issue was addressed with improved memory management. This issue is fixed in Safari 26.2, iOS 18.7.3 and iPadOS 18.7.3, iOS 26.2 and iPadOS 26.2, macOS Tahoe 26.2, tvOS 26.2, visionOS 26.2, watchOS 26.2. Processing maliciously crafted web content may lead to arbitrary code execution. Apple is aware of a report that this issue may have been exploited in an extremely sophisticated attack against specific targeted individuals on versions of iOS before iOS 26. CVE-2025-14174 was also issued in response to this report.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Apple | Safari | < 26.2 | 26.2 |
| Apple | iOS and iPadOS | < 18.7.3, < 26.2 | 18.7.3 |
| Apple | macOS | < 26.2 | 26.2 |
| Apple | tvOS | < 26.2 | 26.2 |
| Apple | visionOS | < 26.2 | 26.2 |
| Apple | watchOS | < 26.2 | 26.2 |
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wpewebkit +1 | 2.50.4-1 | — |
| Debian 13 | webkit2gtk | 2.50.4-1~deb13u1 | DSA-6083-1 |
| Debian 13 | wpewebkit | No fix yet | — |
| Debian 12 | webkit2gtk | 2.50.4-1~deb12u1 | DSA-6083-1 |
| Debian 12 | wpewebkit | No fix yet | — |
| Debian 11 | webkit2gtk | 2.50.4-1~deb11u1 | DLA-4414-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 25.10 | webkit2gtk | 2.50.4-0ubuntu0.25.10.1 | USN-7957-1 |
| Ubuntu 24.04 LTS | qtwebkit-opensource-src | No fix yet | — |
| Ubuntu 24.04 LTS | webkit2gtk | 2.50.4-0ubuntu0.24.04.1 | USN-7957-1 |
| Ubuntu 22.04 LTS | webkit2gtk | 2.50.4-0ubuntu0.22.04.1 | USN-7957-1 |
| Ubuntu 22.04 LTS | wpewebkit +1 | No fix yet | — |
| Ubuntu 20.04 LTS | wpewebkit +2 | No fix yet | — |
| Ubuntu 18.04 LTS | webkitgtk +3 | No fix yet | — |
Show 1 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 16.04 LTS | webkitgtk +3 | No fix yet | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9 | webkit2gtk3 +3 | 2.50.4-1.el9_7 | RHSA-2025:23700 |
| RHEL 8 | webkit2gtk3 +3 | 2.50.4-1.el8_10 | RHSA-2025:23663 |
Show 13 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 9.6 EUS | webkit2gtk3 +3 | 2.50.4-1.el9_6 | RHSA-2025:23974 |
| RHEL 9.4 EUS | webkit2gtk3 +3 | 2.50.4-1.el9_4 | RHSA-2025:23972 |
| RHEL 9.2 E4S | webkit2gtk3 +3 | 2.50.4-1.el9_2 | RHSA-2025:23971 |
| RHEL 9.0 E4S | webkit2gtk3 +3 | 2.50.4-1.el9_0 | RHSA-2025:23970 |
| RHEL 8.8 TUS | webkit2gtk3 +3 | 2.50.4-1.el8_8 | RHSA-2025:23973 |
| RHEL 8.8 E4S | webkit2gtk3 +3 | 2.50.4-1.el8_8 | RHSA-2025:23973 |
| RHEL 8.6 TUS | webkit2gtk3 +3 | 2.50.4-1.el8_6 | RHSA-2025:23968 |
| RHEL 8.6 E4S | webkit2gtk3 +3 | 2.50.4-1.el8_6 | RHSA-2025:23968 |
| RHEL 8.6 AUS | webkit2gtk3 +3 | 2.50.4-1.el8_6 | RHSA-2025:23968 |
| RHEL 8.4 EUS Long Life | webkit2gtk3 +3 | 2.50.4-1.el8_4 | RHSA-2025:23967 |
| RHEL 8.4 AUS | webkit2gtk3 +3 | 2.50.4-1.el8_4 | RHSA-2025:23967 |
| RHEL 8.2 AUS | webkit2gtk3 +3 | 2.50.4-1.el8_2 | RHSA-2025:23969 |
| RHEL 7 ELS | webkitgtk4 +4 | 2.50.4-2.el7_9 | RHSA-2025:23975 |
AlmaLinux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| AlmaLinux 9 | webkit2gtk3 +3 | 2.50.4-1.el9_7 | ALSA-2025:23700 |
| AlmaLinux 8 | webkit2gtk3 +3 | 2.50.4-1.el8_10 | ALSA-2025:23663 |
Rocky Linux
Errata ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Rocky Linux 9 | webkit2gtk3 | 2.50.4-1.el9_7 | RLSA-2025:23700 |
| Rocky Linux 8 | webkit2gtk3 | 2.50.4-1.el8_10 | RLSA-2025:23663 |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP7 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES 15 SP6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES 15 SP5 | webkit2gtk3 +1 | 2.50.4-150400.4.134.2 | SUSE-SU-2025:4527-1 |
| SLES 15 SP5 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SLES 15 SP4 | webkit2gtk3 +1 | 2.50.4-150400.4.134.2 | SUSE-SU-2025:4527-1 |
| SLES 15 SP4 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SLES 12 SP5 | webkit2gtk3 | 2.50.4-4.51.1 | SUSE-SU-2025:4528-1 |
Show 9 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLES for SAP 15 SP6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
| SLES for SAP 15 SP5 | webkit2gtk3 +1 | 2.50.4-150400.4.134.2 | SUSE-SU-2025:4527-1 |
| SLES for SAP 15 SP5 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SLES for SAP 15 SP4 | webkit2gtk3 +1 | 2.50.4-150400.4.134.2 | SUSE-SU-2025:4527-1 |
| SLES for SAP 15 SP4 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SLES 16.0 | webkit2gtk3 +1 | 2.50.4-160000.1.1 | SUSE-SU-2026:20102-1 |
| SLE HPC 15 SP5 | webkit2gtk3 +1 | 2.50.4-150400.4.134.2 | SUSE-SU-2025:4527-1 |
| SLE HPC 15 SP5 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SLE HPC 15 SP4 | webkit2gtk3 +1 | 2.50.4-150400.4.134.2 | SUSE-SU-2025:4527-1 |
| SLE HPC 15 SP4 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SUSE Manager Server LTS 4.3 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
| SUSE Manager Proxy LTS 4.3 | webkit2gtk3-soup2 | 2.50.4-150400.4.134.1 | SUSE-SU-2025:4527-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Leap 16.0 | webkit2gtk3 +2 | 2.50.4-160000.1.1 | openSUSE-SU-2026:20065-1 |
| openSUSE Leap 15.6 | webkit2gtk3 +2 | 2.50.4-150600.12.54.1 | SUSE-SU-2026:0021-1 |
Amazon Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Amazon Linux 2 | webkitgtk4 +3 | 2.50.4-1.amzn2 | ALAS2-2025-3114 |
Oracle Linux
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Oracle Linux 9 | webkit2gtk3 +3 | 2.50.4-1.el9_7 | ELSA-2025-23700 |
| Oracle Linux 8 | webkit2gtk3 +3 | 2.50.4-1.el8_10 | ELSA-2025-23663 |
Public exploits
Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.
Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.
GitHub 7 repositories
-
0xjohnnydev/WebKit-UAF-ANGLE-OOB-Analysis ★ 115 · Jan 13, 2026
Analysis of CVE-2025-43529 (WebKit UAF) + CVE-2025-14174 (ANGLE OOB) exploit chain - iOS Safari
-
GenericCoding/pois0nSword ★ 110 · Jun 11, 2026
A demonstration of read write using cve-2025-43529 and userland PAC bypass on iOS 26.1
-
jir4vv1t/CVE-2025-43529 ★ 88 · Jan 5, 2026
exploit for cve-2025-43529
-
bjrjk/CVE-2025-43529 ★ 18 · Feb 1, 2026
Root Cause Analysis for CVE-2025-43529, a UAF vulnerability due to incorrect DFG StoreBarrierInsertionPhase in JavaScriptCore.
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kmeps4/bugtest ★ 1 · Mar 2, 2026
CVE-2025-43529 Test
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SimoesCTT/CTT-Apple-Silicon-Refraction ★ 1 · Jan 30, 2026
webkit_refraction.js (The 33-Layer WebGL Payload) This JavaScript payload uses the \alpha constant to create a high-frequency "Memory Shiver." It induces the Use-After-Free (UAF) in CVE-2025-43529 b…
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SimoesCTT/Convergent-Time-Theory-Enhanced-iOS-Safari-RCE-CVE-2025-43529- ★ 1 · Jan 28, 2026
CTT-Enhanced iOS Safari Exploit (based on CVE-2025-43529)
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 36
- ALSA-2025:23663 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Nov 4, 2026
- ALSA-2025:23700 Important: webkit2gtk3 security update AlmaLinux Security Advisories · Oct 29, 2026
- WID-SEC-2026-0403 Apple macOS Tahoe, Sequoia und Sonoma: Mehrere Schwachstellen BSI CERT-Bund (WID) · Sep 8, 2026
- RHSA-2025:23975 Red Hat Security Advisory: webkitgtk4 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23974 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23972 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23973 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23970 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23971 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23969 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23968 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23967 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23700 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- RHSA-2025:23663 Red Hat Security Advisory: webkit2gtk3 security update Red Hat Security Advisories (RHSA) · Jun 30, 2026
- USN-7957-1 webkit2gtk vulnerabilities Ubuntu Security Notices (USN) · Apr 22, 2026
- WID-SEC-2026-0402 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Mar 24, 2026
- ALAS2-2025-3114 Important: webkitgtk4 security update (Amazon Linux 2) Amazon Linux Security Center (ALAS) · Mar 23, 2026
- openSUSE-SU-2026:20065-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:20102-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- SUSE-SU-2026:0021-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Mar 23, 2026
- NCSC-2026-0064 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Feb 13, 2026
- NCSC-2026-0063 Kwetsbaarheden verholpen in Apple macOS NCSC-NL (Netherlands) · Feb 13, 2026
- WID-SEC-2025-2836 Apple iOS und iPadOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Feb 11, 2026
- SUSE-SU-2025:4528-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2025:4527-1 Security update for webkit2gtk3 SUSE / openSUSE Security Updates · Feb 4, 2026
- WID-SEC-2025-2891 WebKitGTK: Mehrere Schwachstellen ermöglichen Codeausführung und DoS BSI CERT-Bund (WID) · Jan 22, 2026
- RLSA-2025:23663 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Dec 19, 2025
- RLSA-2025:23700 Important: webkit2gtk3 security update Rocky Linux Security Advisories · Dec 19, 2025
- DLA-4414-1 webkit2gtk - security update Debian Security (DSA / DLA) · Dec 18, 2025
- DSA-6083-1 webkit2gtk - security update Debian Security (DSA / DLA) · Dec 18, 2025
- ELSA-2025-23700 Important: webkit2gtk3 security update (Oracle Linux 9) Oracle Linux Security Advisories (ELSA) · Dec 18, 2025
- ELSA-2025-23663 Important: webkit2gtk3 security update (Oracle Linux 8) Oracle Linux Security Advisories (ELSA) · Dec 18, 2025
- WID-SEC-2025-2838 Apple macOS: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 17, 2025
- WID-SEC-2025-2837 Apple Safari: Mehrere Schwachstellen BSI CERT-Bund (WID) · Dec 17, 2025
- NCSC-2025-0397 Kwetsbaarheden verholpen in Apple iOS en iPadOS NCSC-NL (Netherlands) · Dec 15, 2025
- NCSC-2025-0396 Kwetsbaarheden verholpen in Apple macOS NCSC-NL (Netherlands) · Dec 15, 2025