PatchTheCVECVE-2025-14174: Google Chromium Out of Bounds Memory Access Vulnerability
86
Patch now
HIGH 8.8EXPLOITEDUPGRADEUPGRADEUPGRADE
CVE-2025-14174 is a high-severity flaw (CVSS 8.8) affecting chrome, safari, ipados, reported as exploited in the wild. Below: why it ranks where it does, which versions are affected, what to do, and the exact commands.
Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
Why this priority
- High severity
- EPSS top 1%: very likely to be exploited
- Exploited in the wild (CISA KEV)
- Public exploit reference
A fixed release or distro patch exists.
Last updated 2026-10-07 · Sources: CVE Program, NVD, CISA KEV, EPSS and vendor advisories · How we score
Am I affected?
Timeline
- Exploited Added to the CISA Known Exploited Vulnerabilities list
- Published CVE record published
- Deadline CISA due date for US federal agencies to patch
- Updated Record last modified
google chrome UPGRADE
Affected: >= 143.0.7499.41 and < 143.0.7499.110 · >= 143.0.7499.40 and < 143.0.7499.109 · <= 143.0.7499.40
Fixed in: 143.0.7499.109, 143.0.7499.110
Safe to downgrade to: a release before 143.0.7499.40
1. Check installed version
apt-cache policy chrome || rpm -q chrome || chrome --version
2. UPGRADE to 143.0.7499.109 (Debian / Ubuntu)
sudo apt update && sudo apt install --only-upgrade chrome
2. UPGRADE (RHEL / Amazon Linux / Fedora)
sudo dnf upgrade chrome
Note
Distros often backport fixes without changing the version number. Confirm with the distro advisory or changelog.
3. If no update is available yet, DOWNGRADE to a release before 143.0.7499.40 (Debian / Ubuntu)
apt-cache madison chrome
sudo apt install chrome=<VERSION_BEFORE_143.0.7499.40>
sudo apt-mark hold chrome
3. If no update is available yet, DOWNGRADE (RHEL / Amazon Linux / Fedora)
dnf --showduplicates list chrome
sudo dnf downgrade chrome-<VERSION_BEFORE_143.0.7499.40>
sudo dnf versionlock add chrome
Downgrade risk
Downgrading can break dependent software and may reopen older bugs. Read the distro advisory first and test on a non-production host.
After downgrade
Restart the service, and keep the package held until a fixed release ships.
apple safari UPGRADE
Affected: < 26.2
Fixed in: 26.2
Safe to downgrade to: no unaffected older release
1. Check installed version
apt-cache policy safari || rpm -q safari || safari --version
2. UPGRADE to 26.2 (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 ipados UPGRADE
Affected: < 18.7.3 · >= 26.0 and < 26.2
Fixed in: 18.7.3, 26.2
Safe to downgrade to: a release before 26.0
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 iphone os UPGRADE
Affected: < 18.7.3 · >= 26.0 and < 26.2
Fixed in: 18.7.3, 26.2
Safe to downgrade to: a release before 26.0
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 macos UPGRADE
Affected: < 26.2
Fixed in: 26.2
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 tvos UPGRADE
Affected: < 26.2
Fixed in: 26.2
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.
Exact fixes by distribution
Fedora 46 · conan · FIXED · 2.31.0-1.fc46 · FEDORA-2026-ba58084ab5 · source
sudo dnf upgrade --advisory=FEDORA-2026-ba58084ab5
Fedora ELN · tesseract · FIXED · 5.5.4-1.eln159 · FEDORA-2026-866cf60ee6 · source
sudo dnf upgrade --advisory=FEDORA-2026-866cf60ee6
Ubuntu 22.04 · chromium-browser · NOT AFFECTED
Ubuntu 24.04 · chromium-browser · NOT AFFECTED
Ubuntu 25.04 · chromium-browser · NOT AFFECTED
Ubuntu 25.10 · chromium-browser · NOT AFFECTED
Ubuntu 22.04 · webkit2gtk · FIXED · 2.50.4-0ubuntu0.22.04.1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.50.4-0ubuntu0.22.04.1" && echo PATCHED || echo STILL-VULNERABLE
Debian 12 · chromium · NOT AFFECTED
Debian 13 · chromium · NOT AFFECTED
Debian 12 · webkit2gtk · FIXED · 2.50.4-1~deb12u1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.50.4-1~deb12u1" && echo PATCHED || echo STILL-VULNERABLE
Debian 13 · webkit2gtk · FIXED · 2.50.4-1~deb13u1
sudo apt update && sudo apt install --only-upgrade webkit2gtk
dpkg --compare-versions "$(dpkg-query -W -f='${Version}' webkit2gtk)" ge "2.50.4-1~deb13u1" && echo PATCHED || echo STILL-VULNERABLE
RHEL 7 Extended Lifecycle Support · webkitgtk4 · FIXED · webkitgtk4-2.50.4-2.el7_9
sudo dnf upgrade --advisory=RHSA-2025:23975
rpm -q webkitgtk4
RHEL 8 · webkit2gtk3 · FIXED · webkit2gtk3-2.50.4-1.el8_10
sudo dnf upgrade --advisory=RHSA-2025:23663
rpm -q webkit2gtk3
RHEL 8.2 Advanced Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.50.4-1.el8_2
sudo dnf upgrade --advisory=RHSA-2025:23969
rpm -q webkit2gtk3
RHEL 8.4 Advanced Mission Critical Update Support · webkit2gtk3 · FIXED · webkit2gtk3-2.50.4-1.el8_4
sudo dnf upgrade --advisory=RHSA-2025:23967
rpm -q webkit2gtk3
RHEL 8.4 Extended Update Support Long-Life Add-On · webkit2gtk3 · FIXED · webkit2gtk3-2.50.4-1.el8_4
sudo dnf upgrade --advisory=RHSA-2025:23967
rpm -q webkit2gtk3
Alpine 3.23 · qt6-qtwebengine · FIXED · qt6-qtwebengine-6.10.1-r1
apk add --upgrade qt6-qtwebengine
apk info -v qt6-qtwebengine
Alpine 3.24 · qt6-qtwebengine · FIXED · qt6-qtwebengine-6.10.1-r2
apk add --upgrade qt6-qtwebengine
apk info -v qt6-qtwebengine
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: Satirush/CVE-2025-14174-Poc (10 stars)
- GitHub PoC: typeconfused/CVE-2025-14174-analysis (4 stars)
- GitHub PoC: George0Papasotiriou/CVE-2025-14174-Chrome-Zero-Day (3 stars)
- Write-up: issues.chromium.org/issues/466192044
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-2025-14174?
chrome: upgrade to 143.0.7499.109, 143.0.7499.110; safari: upgrade to 26.2; ipados: upgrade to 18.7.3, 26.2. Exact commands for each OS are on this page.
Is CVE-2025-14174 being exploited?
Yes. CVE-2025-14174 is on the CISA Known Exploited Vulnerabilities list, so treat it as patch-now.
What does CVE-2025-14174 affect?
CVE-2025-14174 affects chrome, safari, ipados. Severity is high (CVSS 8.8). Out of bounds memory access in ANGLE in Google Chrome on Mac prior to 143.0.7499.110 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page. (Chromium security severity: High)
How urgent is CVE-2025-14174?
Priority 86/100. High severity; EPSS top 1%: very likely to be exploited; Exploited in the wild (CISA KEV); Public exploit reference
Software pages
macOS vulnerabilities · Safari vulnerabilities · Google Chrome vulnerabilities · Chromium vulnerabilities · Apple Safari and WebKit vulnerabilities · iPadOS vulnerabilities
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