Critical severity9.8NVD Advisory· Published Sep 15, 2025· Updated Apr 2, 2026

CVE-2025-43343

Description

The issue was addressed with improved memory handling. This issue is fixed in Safari 26, iOS 26 and iPadOS 26, macOS Tahoe 26, tvOS 26, visionOS 26, watchOS 26. Processing maliciously crafted web content may lead to an unexpected process crash.

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: <26.0
- (no CPE)range: <26
Webkitgtk/Webkitgtk
cpe:2.3:a:webkitgtk:webkitgtk:*:*:*:*:*:*:*:*
Range: <2.50.1
Wpewebkit/Wpe Webkit
cpe:2.3:a:wpewebkit:wpe_webkit:*:*:*:*:*:*:*:*
Range: <2.50.1
Apple Inc./Ipados
cpe:2.3:o:apple:ipados:*:*:*:*:*:*:*:*
Range: <26.0
Apple Inc./Iphone OS
cpe:2.3:o:apple:iphone_os:*:*:*:*:*:*:*:*
Range: <26.0
Apple Inc./macOS
cpe:2.3:o:apple:macos:*:*:*:*:*:*:*:*
Range: <26.0
Apple Inc./tvOS
cpe:2.3:o:apple:tvos:*:*:*:*:*:*:*:*
Range: <26.0
Apple Inc./Visionos
cpe:2.3:o:apple:visionos:*:*:*:*:*:*:*:*
Range: <26.0
Apple Inc./watchOS
cpe:2.3:o:apple:watchos:*:*:*:*:*:*:*:*
Range: <26.0
Cisco Systems, Inc./Cisco iOSllm-fuzzy
Range: <26
Apple Inc./macOS Tahoellm-fuzzy
Range: <26
osv-coords50 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%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%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%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%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%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%2016.0
< 2.50.1-1.el8_10+ 49 more
- (no CPE)range: < 2.50.1-1.el8_10
- (no CPE)range: < 2.50.1-1.el8_10
- (no CPE)range: < 2.50.1-1.el8_10
- (no CPE)range: < 2.50.1-1.el8_10
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-4.44.1
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.1-4.44.1
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150600.12.48.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.4-160000.1.1
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.1-150400.4.127.3
- (no CPE)range: < 2.50.4-160000.1.1

Patches

Vulnerability mechanics

References

seclists.org/fulldisclosure/2025/Sep/49nvdMailing ListThird Party Advisory
seclists.org/fulldisclosure/2025/Sep/53nvdMailing ListThird Party Advisory
seclists.org/fulldisclosure/2025/Sep/57nvdMailing ListThird Party Advisory
seclists.org/fulldisclosure/2025/Sep/59nvdMailing ListThird Party Advisory
www.openwall.com/lists/oss-security/2025/10/13/4nvdMailing ListThird Party Advisory
support.apple.com/en-us/125108nvdRelease NotesVendor Advisory
support.apple.com/en-us/125113nvdRelease NotesVendor Advisory
support.apple.com/en-us/125114nvdRelease NotesVendor Advisory
support.apple.com/en-us/125115nvdRelease NotesVendor Advisory
support.apple.com/en-us/125116nvdRelease NotesVendor Advisory
access.redhat.com/errata/RHSA-2025:19946nvd
security-tracker.debian.org/tracker/CVE-2025-43343nvd
support.apple.com/en-us/125110nvd
ubuntu.com/security/CVE-2025-43343nvd
webkitgtk.org/security/WSA-2025-0007.htmlnvd

News mentions

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cvss	0.637
epss	0.001
exploit	0.000
kev	0.000
patch	0.000
ransomware	0.000