high 8.8

CVE-2025-14174 kev in the critical feed json

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 mem…

published 2025-12-12 10 mo ago modified 2026-10-07 32 d ago also EUVD-2025-203113

cvss: 8.8; version 3.1, CNA
cisa kev: Exploited; added 2025-12-12
epss: 55.3%; EPSS 55.3% chance of exploitation in 30 days, percentile 99%
public exploits: 0; none known

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)

Patch / fix

cisa required action Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.

fixed in 1 distros 7

google chrome 143.0.7499.110

debian ubuntu red hat suse opensuse almalinux alpine

wpewebkit Debian 14 2.50.4-1
webkit2gtk Debian 12 2.50.4-1~deb12u1
webkit2gtk Debian 13 2.50.4-1~deb13u1
webkit2gtk Debian 14 2.50.4-1

debian advisories DEBIAN-CVE-2025-14174

webkit2gtk Ubuntu 22.04 LTS 2.50.4-0ubuntu0.22.04.1
webkit2gtk Ubuntu 24.04 LTS 2.50.4-0ubuntu0.24.04.1
webkit2gtk Ubuntu 25.10 2.50.4-0ubuntu0.25.10.1

ubuntu advisories UBUNTU-CVE-2025-14174

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

webkit2gtk3 RHEL 9 2.50.4-1.el9_7
webkit2gtk3-jsc RHEL 9 2.50.4-1.el9_7
webkit2gtk3 RHEL 8 2.50.4-1.el8_10
webkit2gtk3-jsc RHEL 8 2.50.4-1.el8_10
webkit2gtk3 RHEL 9.6 EUS 2.50.4-1.el9_6
webkit2gtk3-jsc RHEL 9.6 EUS 2.50.4-1.el9_6
webkitgtk4 RHEL 7 ELS 2.50.4-2.el7_9
webkitgtk4-jsc RHEL 7 ELS 2.50.4-2.el7_9

red hat advisories RHSA-2025:23974 RHSA-2025:23975 RHSA-2025:23972 RHSA-2025:23973 RHSA-2025:23970 RHSA-2025:23971

webkit2gtk3 SLES for SAP applications 16.0, SLES 16.0 2.50.4-160000.1.1
webkit2gtk4 SLES for SAP applications 16.0, SLES 16.0 2.50.4-160000.1.1
webkit2gtk3 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Desktop Applications 15 SP7 +2 more 2.50.4-150600.12.54.1
webkit2gtk4 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Development Tools 15 SP7 +4 more 2.50.4-150600.12.54.1
webkit2gtk3-soup2 SLES for SAP 15 SP6, SLES 15 SP6-LTSS, SLE Module for Basesystem 15 SP7 +2 more 2.50.4-150600.12.54.1
webkit2gtk3 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.50.4-150400.4.134.2
webkit2gtk4 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +5 more 2.50.4-150400.4.134.2
webkit2gtk3-soup2 SLES for SAP 15 SP5, SLES for SAP 15 SP4, SLES 15 SP5-LTSS +7 more 2.50.4-150400.4.134.1

suse advisories SUSE-SU-2026:20102-1 SUSE-SU-2026:0021-1 SUSE-SU-2025:4528-1 SUSE-SU-2025:4527-1

chromium openSUSE Leap 16.0 143.0.7499.192-bp160.1.1
webkit2gtk3 openSUSE Leap 16.0 2.50.4-160000.1.1
webkit2gtk4 openSUSE Leap 16.0 2.50.4-160000.1.1
webkit2gtk3-soup2 openSUSE Leap 16.0 2.50.4-160000.1.1
chromium openSUSE Tumbleweed 143.0.7499.146-1.1

opensuse advisories openSUSE-SU-2026:20020-1 openSUSE-SU-2026:20065-1 openSUSE-SU-2025:15831-1

webkit2gtk3 AlmaLinux 8 2.50.4-1.el8_10
webkit2gtk3-jsc AlmaLinux 8 2.50.4-1.el8_10

almalinux advisories ALSA-2025:23663

qt6-qtwebengine Alpine 3.23 6.10.1-r1
qt6-qtwebengine Alpine 3.24 6.10.1-r2

alpine advisories ALPINE-CVE-2025-14174

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2025-14174 updated 2026-11-04 cvss 8.8

Google Chrome: chromium: webkitgtk: Out of bounds memory access via crafted HTML page

Red Hat Enterprise Linux AppStream (v. 8) webkit2gtk3 2.50.4-1.el8_10, webkit2gtk3-jsc 2.50.4-1.el8_10
fixed: vendor fix RHSA-2025:23663
Red Hat Enterprise Linux AppStream (v. 9) webkit2gtk3 2.50.4-1.el9_7, webkit2gtk3-jsc 2.50.4-1.el9_7
fixed: vendor fix RHSA-2025:23700
Red Hat Enterprise Linux AppStream AUS (v. 8.2) webkit2gtk3 2.50.4-1.el8_2, webkit2gtk3-jsc 2.50.4-1.el8_2
fixed: vendor fix RHSA-2025:23969
Red Hat Enterprise Linux AppStream AUS (v.8.4) webkit2gtk3 2.50.4-1.el8_4, webkit2gtk3-jsc 2.50.4-1.el8_4
fixed: vendor fix RHSA-2025:23967
Red Hat Enterprise Linux AppStream AUS (v.8.6) webkit2gtk3 2.50.4-1.el8_6, webkit2gtk3-jsc 2.50.4-1.el8_6 Red Hat Enterprise Linux AppStream E4S (v.8.6) webkit2gtk3 2.50.4-1.el8_6, webkit2gtk3-jsc 2.50.4-1.el8_6
fixed: vendor fix RHSA-2025:23968
Red Hat Enterprise Linux AppStream E4S (v.8.8) webkit2gtk3 2.50.4-1.el8_8, webkit2gtk3-jsc 2.50.4-1.el8_8
fixed: vendor fix RHSA-2025:23973
Red Hat Enterprise Linux AppStream E4S (v.9.0) webkit2gtk3 2.50.4-1.el9_0, webkit2gtk3-jsc 2.50.4-1.el9_0
fixed: vendor fix RHSA-2025:23970
Red Hat Enterprise Linux AppStream E4S (v.9.2) webkit2gtk3 2.50.4-1.el9_2, webkit2gtk3-jsc 2.50.4-1.el9_2
fixed: vendor fix RHSA-2025:23971

show 7 more

Red Hat Enterprise Linux AppStream EUS (v.9.4) webkit2gtk3 2.50.4-1.el9_4, webkit2gtk3-jsc 2.50.4-1.el9_4
fixed: vendor fix RHSA-2025:23972
Red Hat Enterprise Linux AppStream EUS (v.9.6) webkit2gtk3 2.50.4-1.el9_6, webkit2gtk3-jsc 2.50.4-1.el9_6
fixed: vendor fix RHSA-2025:23974
Red Hat Enterprise Linux AppStream EUS EXTENSION (v.8.4) webkit2gtk3 2.50.4-1.el8_4, webkit2gtk3-jsc 2.50.4-1.el8_4
fixed: vendor fix RHSA-2025:23967
Red Hat Enterprise Linux AppStream TUS (v.8.6) webkit2gtk3 2.50.4-1.el8_6, webkit2gtk3-jsc 2.50.4-1.el8_6
fixed: vendor fix RHSA-2025:23968
Red Hat Enterprise Linux AppStream TUS (v.8.8) webkit2gtk3 2.50.4-1.el8_8, webkit2gtk3-jsc 2.50.4-1.el8_8
fixed: vendor fix RHSA-2025:23973
Red Hat Enterprise Linux Server (v. 7 ELS) webkitgtk4 2.50.4-2.el7_9, webkitgtk4-jsc 2.50.4-2.el7_9 Red Hat Enterprise Linux Server Optional (v. 7 ELS) webkitgtk4-doc 2.50.4-2.el7_9, webkitgtk4-devel 2.50.4-2.el7_9, webkitgtk4-debuginfo 2.50.4-2.el7_9, webkitgtk4-jsc-devel 2.50.4-2.el7_9
fixed: vendor fix RHSA-2025:23975
Red Hat Enterprise Linux 7 firefox Red Hat Enterprise Linux 8 firefox, mozjs60, thunderbird Red Hat Enterprise Linux 9 firefox, firefox-x11, thunderbird Red Hat Enterprise Linux 10 firefox, thunderbird
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Timeline

2025-12-12 0-day patched (Project Zero)
2025-12-12 Added to CISA KEV
2025-12-12 Published
2025-12-16 CISA SSVC: exploitation active
2026-01-02 CISA patch deadline

Known exploited

Added: 10 mo ago (2025-12-12)
Patch by: 2026-01-02 (10 mo ago)
Ransomware: Not known
Required action: Apply mitigations per vendor instructions, follow applicable BOD 22-01 guidance for cloud services, or discontinue use of the product if mitigations are unavailable.
Vendor, product: Google, Chromium
CISA name: Google Chromium Out of Bounds Memory Access Vulnerability

Zero-day

Detected in real attacks while still unknown to the vendor and the public, per Google Project Zero's 0day In-the-Wild tracker.

Patched: 2025-12-12
Details: project zero tracker

CISA SSVC

Exploitation: Active, exploited in the wild
Automatable: no
Technical impact: total
Assessed: 10 mo ago (2025-12-16)

Exploit prediction

55.33% chance of exploitation in the next 30 days, higher than 99% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CISA ADP	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CNA	3.1	8.8	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Affected products

Google Chrome

Classification

Weakness

CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer
CWE-787 Out-of-bounds Write

Technology feeds

Google Chrome rss critical rss

References

chromereleases.googleblog.com /2025/12/stable-channel-update-for-desktop_10.html
release-notes
issues.chromium.org /issues/466192044
permissions-required
learn.microsoft.com /en-us/deployedge/microsoft-edge-relnotes-security
third-party-advisory
cisa.gov /known-exploited-vulnerabilities-catalog?field_cve=CVE-2025-14174
government-resource, third-party-advisory

Sources

CVE List CVE-2025-14174
NVD CVE-2025-14174

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

CPEs and fixed versions use Anchore's correction of NVD's data: Added CPE configurations because not yet analyzed by NVD.

Summary