High severity8.8CISA KEVNVD Advisory· Published Dec 17, 2025· Updated Apr 3, 2026

CVE-2025-43529

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

Apple Inc./Safari2 versions
cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*+ 1 more
- cpe:2.3:a:apple:safari:*:*:*:*:*:*:*:*range: <26.2
- (no CPE)range: fixed in 26.2
Apple Inc./Ipados
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Range: <18.7.3
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <18.7.3
Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: >=26.0,<26.2
Apple Inc./tvOS
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Range: <26.2
Apple Inc./Visionos
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
Range: <26.2
Apple Inc./watchOS
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Range: <26.2
Cisco Systems, Inc./Cisco iOSllm-fuzzy
Range: <26
Apple Inc./macOS Tahoellm-fuzzy
Range: fixed in 26.2
osv-coords56 versions
pkg:rpm/almalinux/webkit2gtk3 pkg:rpm/almalinux/webkit2gtk3-devel pkg:rpm/almalinux/webkit2gtk3-jsc pkg:rpm/almalinux/webkit2gtk3-jsc-devel pkg:rpm/opensuse/webkit2gtk3&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/webkit2gtk3&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/webkit2gtk3-soup2&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/webkit2gtk3-soup2&distro=openSUSE%20Leap%2016.0 pkg:rpm/opensuse/webkit2gtk4&distro=openSUSE%20Leap%2015.6 pkg:rpm/opensuse/webkit2gtk4&distro=openSUSE%20Leap%2016.0 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP6 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Desktop%20Applications%2015%20SP7 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2012%20SP5-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0 pkg:rpm/suse/webkit2gtk3&distro=SUSE%20Linux%20Enterprise%20Server%20LTSS%20Extended%20Security%2012%20SP5 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Manager%20Proxy%20LTS%204.3 pkg:rpm/suse/webkit2gtk3-soup2&distro=SUSE%20Manager%20Server%20LTS%204.3 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-ESPOS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP4-LTSS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-ESPOS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20High%20Performance%20Computing%2015%20SP5-LTSS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP6 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Basesystem%2015%20SP7 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP6 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Module%20for%20Development%20Tools%2015%20SP7 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP4-LTSS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP5-LTSS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2015%20SP6-LTSS pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%2016.0 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP4 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP5 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20Applications%2015%20SP6 pkg:rpm/suse/webkit2gtk4&distro=SUSE%20Linux%20Enterprise%20Server%20for%20SAP%20applications%2016.0
< 2.50.4-1.el8_10+ 55 more
- (no CPE)range: < 2.50.4-1.el8_10
- (no CPE)range: < 2.50.4-1.el8_10
- (no CPE)range: < 2.50.4-1.el8_10
- (no CPE)range: < 2.50.4-1.el8_10
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-4.51.1
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.4-4.51.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.1
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150400.4.134.2
- (no CPE)range: < 2.50.4-150600.12.54.1
- (no CPE)range: < 2.50.4-160000.1.1

Patches

Vulnerability mechanics

References

support.apple.com/en-us/125884nvdRelease NotesVendor Advisory
support.apple.com/en-us/125885nvdRelease NotesVendor Advisory
support.apple.com/en-us/125886nvdRelease NotesVendor Advisory
support.apple.com/en-us/125889nvdRelease NotesVendor Advisory
support.apple.com/en-us/125890nvdRelease NotesVendor Advisory
support.apple.com/en-us/125891nvdRelease NotesVendor Advisory
support.apple.com/en-us/125892nvdRelease NotesVendor Advisory
www.cisa.gov/known-exploited-vulnerabilities-catalognvdUS Government Resource

News mentions

The Proliferation of DarkSword: iOS Exploit Chain Adopted by Multiple Threat Actors
Mandiant Threat Intelligence · Mar 18, 2026

cvss	0.572
epss	0.007
exploit	0.000
kev	0.120
patch	0.000
ransomware	0.000