PatchTheCVECVE-2025-24201: Apple Multiple Products WebKit Out-of-Bounds Write Vulnerability
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CRITICAL 10.0EXPLOITEDREMOTEUPGRADEUPGRADEUPGRADE
CVE-2025-24201 is a critical-severity flaw (CVSS 10.0) affecting safari, macos, visionos, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6, macOS Sequoia 15.3.2, visionOS 2.3.2, watchOS 11.4. Maliciously crafted web content may be able to break out of Web Content sandbox. This is a supplementary fix for an attack that was blocked in iOS 17.2. (Ap
Why this priority
- Critical severity
- EPSS top 10%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- Public exploit reference
- CISA SSVC: automatable with total technical impact
- Remotely exploitable, no login, no user action
A fixed release or distro patch exists.
Risk facts
| CVSS score | 10.0 (Critical) |
| Attack vector | Network (remote) |
| Attack complexity | Low |
| Privileges needed | None |
| User interaction | None |
| EPSS exploit chance | 3.8% (top 10%) |
| CISA exploited list | Yes, fix due 2025-04-03 |
| Weakness | CWE-787 |
| Published | 2025-03-11 |
| Last modified | 2026-06-17 |
Publisher (CNA): Apple Inc. · Vendor: apple
Last updated 2026-06-17 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Published CVE record published
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
apple safari UPGRADE
Affected: < 18.3.1
Fixed in: 18.3.1
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy safari || rpm -q safari || safari --version
2. UPGRADE to 18.3.1 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade safari
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade safari
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
apple macos UPGRADE
Affected: >= 15.0 and < 15.3.2
Fixed in: 15.3.2
Safe to downgrade to: a release before 15.0
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple visionos UPGRADE
Affected: < 2.3.2
Fixed in: 2.3.2
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple watchos UPGRADE
Affected: < 11.4
Fixed in: 11.4
Safe to downgrade to: no unaffected older release
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple ipados UPGRADE
Affected: >= 15.8 and < 15.8.4 · >= 16.7 and < 16.7.11 · >= 17.0 and < 17.7.6 · >= 18.0 and < 18.3.2
Fixed in: 15.8.4, 16.7.11, 17.7.6, 18.3.2
Safe to downgrade to: a release before 15.8
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
apple iphone os UPGRADE
Affected: >= 15.8 and < 15.8.4 · >= 16.7 and < 16.7.11 · >= 17.0 and < 18.3.2
Fixed in: 15.8.4, 16.7.11, 18.3.2
Safe to downgrade to: a release before 15.8
Check your OS release
cat /etc/os-release; uname -r
Debian / Ubuntu
sudo apt update && sudo apt full-upgrade
RHEL / Amazon Linux / Fedora
sudo dnf upgrade --refresh
Windows
Install the latest cumulative update from Windows Update
If no patch exists yet
OS downgrades are not safe. Apply the vendor mitigation from the advisory and restrict exposure.
Exact fixes by distribution
Fedora 46 · perl-WWW-OrangeHRM-Client · FIXED · 0.12.0-21.fc46 · FEDORA-2026-2d14efca09 · source
sudo dnf upgrade --advisory=FEDORA-2026-2d14efca09
Ubuntu 22.04 · webkit2gtk · FIXED · 2.48.0-0ubuntu0.22.04.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.48.0-0ubuntu0.22.04.1" && echo PATCHED || echo STILL-VULNERABLE
Ubuntu 24.04 · webkit2gtk · FIXED · 2.48.0-0ubuntu0.24.04.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.48.0-0ubuntu0.24.04.1" && echo PATCHED || echo STILL-VULNERABLE
Ubuntu 24.10 · webkit2gtk · FIXED · 2.48.0-0ubuntu0.24.10.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.48.0-0ubuntu0.24.10.1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · chromium · FIXED · 134.0.6998.88-1~deb12u1
sudo apt update && sudo apt install --only-upgrade chromium
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' chromium)" ge "134.0.6998.88-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · webkit2gtk · FIXED · 2.48.0-1~deb12u1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.48.0-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · webkit2gtk · FIXED · 2.48.0-1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.48.0-1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · wpewebkit · NO FIX YET
RHEL 7 Extended Lifecycle Support · webkitgtk4 · FIXED · webkitgtk4-2.48.3-2.el7_9
sudo dnf upgrade --advisory=RHSA-2025:10364
rpm -q webkitgtk4
RHEL 8 · webkit2gtk3 · FIXED · webkit2gtk3-2.46.6-2.el8_10
sudo dnf upgrade --advisory=RHSA-2025:2863
rpm -q webkit2gtk3
RHEL 8.2 Advanced Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.46.6-2.el8_2
sudo dnf upgrade --advisory=RHSA-2025:3002
rpm -q webkit2gtk3
RHEL 8.4 Advanced Mission Critical Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.46.6-2.el8_4
sudo dnf upgrade --advisory=RHSA-2025:3005
rpm -q webkit2gtk3
RHEL 8.4 Telecommunications Update Service · webkit2gtk3 · FIXED · webkit2gtk3-2.46.6-2.el8_4
sudo dnf upgrade --advisory=RHSA-2025:3005
rpm -q webkit2gtk3
Alpine 3.21 · qt5-qtwebengine · FIXED · qt5-qtwebengine-5.15.17-r7
apk add --upgrade qt5-qtwebengine
apk info -v qt5-qtwebengine
Alpine 3.22 · qt5-qtwebengine · FIXED · qt5-qtwebengine-5.15.17-r10
apk add --upgrade qt5-qtwebengine
apk info -v qt5-qtwebengine
Alpine 3.22 · qt6-qtwebengine · FIXED · qt6-qtwebengine-6.8.2-r3
apk add --upgrade qt6-qtwebengine
apk info -v qt6-qtwebengine
Alpine 3.23 · qt5-qtwebengine · FIXED · qt5-qtwebengine-5.15.17-r10
apk add --upgrade qt5-qtwebengine
apk info -v qt5-qtwebengine
sudo yum update --advisory=ALAS2-2025-2869
Public exploits and detection
Public code exists for this CVE. Treat unpatched systems as at risk, and only run PoCs in a lab.
- GitHub PoC: The-Maxu/CVE-2025-24201-WebKit-Vulnerability-Detector-PoC- (6 stars)
- GitHub PoC: 5ky9uy/glass-cage-i18-2025-24085-and-cve-2025-24201 (5 stars)
- GitHub PoC: JGoyd/Glass-Cage-iOS18-CVE-2025-24085-CVE-2025-24201
Verify at the official source NVD · CVE Program · CISA KEV catalog · Report a problem with this page
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Scores and fixes here are computed automatically from those and other public sources. Confirm with the vendor advisory before changing production systems.
Quick answers
How do I fix CVE-2025-24201?
safari: upgrade to 18.3.1; macos: upgrade to 15.3.2; visionos: upgrade to 2.3.2. Exact commands for each OS are on this page.
Is CVE-2025-24201 being exploited?
Yes. CVE-2025-24201 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2025-24201 affect?
CVE-2025-24201 affects safari, macos, visionos. Severity is critical (CVSS 10.0). An out-of-bounds write issue was addressed with improved checks to prevent unauthorized actions. This issue is fixed in Safari 18.3.1, iOS 15.8.4 and iPadOS 15.8.4, iOS 16.7.11 and iPadOS 16.7.11, iOS 18.3.2 and iPadOS 18.3.2, iPadOS 17.7.6
How urgent is CVE-2025-24201?
Priority 96/100. Critical severity; EPSS top 10%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference; CISA SSVC: automatable with total technical impact; Remotely exploitable, no login, no user action
Software pages
iOS vulnerabilities · macOS vulnerabilities · Safari vulnerabilities · WebKit vulnerabilities · Apple Safari and WebKit vulnerabilities · iPadOS vulnerabilities
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