EUVD-2025-19675Severity by source
AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Primary rating from NVD.
CVSS VectorNVD
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:N
Lifecycle Timeline
6DescriptionCVE.org
Type confusion in V8 in Google Chrome prior to 138.0.7204.96 allowed a remote attacker to perform arbitrary read/write via a crafted HTML page. (Chromium security severity: High)
AnalysisAI
Chrome's V8 engine contains a type confusion vulnerability (CVE-2025-6554, CVSS 8.1) enabling arbitrary read/write operations through crafted HTML pages. KEV-listed with public PoC, type confusion in V8 is the most reliable class of browser exploitation primitives, providing full memory read/write capability for code execution within the renderer sandbox.
Technical ContextAI
V8 type confusion occurs when the JIT compiler makes incorrect assumptions about an object's type, generating machine code that accesses memory using the wrong offsets and sizes. This provides the attacker with arbitrary read/write primitives — the most powerful exploitation building blocks. Type confusion bugs in V8 are considered the gold standard for browser exploitation because they provide reliable, flexible memory access.
RemediationAI
Update Chrome to 138.0.7204.96+. Update all Chromium browsers. Enterprise: push updates via Group Policy.
Use-after-free vulnerability in the DisplayObject class in the ActionScript 3 (AS3) implementation in Adobe Flash Player
V8 in Google Chrome prior to 54.0.2840.90 for Linux, and 54.0.2840.85 for Android, and 54.0.2840.87 for Windows and Mac
Type confusion in V8 in Google Chrome prior to 59.0.3071.86 for Linux, Windows, and Mac, and 59.0.3071.92 for Android, a
The Array.prototype.concat implementation in builtins.cc in Google V8, as used in Google Chrome before 49.0.2623.108, do
Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and 17.x before 17.0.2, Thunderbird before 17.0.2, Thunderb
Incorrect handling of complex species in V8 in Google Chrome prior to 57.0.2987.98 for Linux, Windows, and Mac and 57.0.
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 16.0, Firefox ESR 10.x before 10.0.8, Thunderbi
An issue was discovered in the Cisco WebEx Extension before 1.0.7 on Google Chrome, the ActiveTouch General Plugin Conta
The XrayWrapper implementation in Mozilla Firefox before 35.0 and SeaMonkey before 2.32 does not properly interact with
The Chrome Object Wrapper (COW) implementation in Mozilla Firefox before 18.0, Firefox ESR 17.x before 17.0.2, Thunderbi
The Web IDL implementation in Mozilla Firefox before 28.0, Firefox ESR 24.x before 24.4, Thunderbird before 24.4, and Se
Use-after-free vulnerability in the BitmapData class in the ActionScript 3 (AS3) implementation in Adobe Flash Player 13
Same technique Information Disclosure
View allVendor StatusVendor
Debian
| Release | Status | Fixed Version | Urgency |
|---|---|---|---|
| bullseye (security), bullseye | vulnerable | 120.0.6099.224-1~deb11u1 | - |
| bookworm | fixed | 138.0.7204.92-1~deb12u1 | - |
| bookworm (security) | fixed | 146.0.7680.71-1~deb12u1 | - |
| trixie | fixed | 145.0.7632.159-1~deb13u1 | - |
| trixie (security) | fixed | 146.0.7680.71-1~deb13u1 | - |
| forky | fixed | 146.0.7680.71-1 | - |
| sid | fixed | 146.0.7680.80-1 | - |
| bullseye | fixed | (unfixed) | end-of-life |
| (unstable) | fixed | 138.0.7204.92-1 | - |
SUSE
Severity: High| Product | Status |
|---|---|
| SUSE Package Hub 15 SP6 | Fixed |
| openSUSE Leap 15.6 | Fixed |
| openSUSE Tumbleweed | Fixed |
| SUSE Package Hub 15 SP6 | Fixed |
| SUSE Package Hub 15 SP6 | Fixed |
| SUSE Package Hub 15 SP6 | Fixed |
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External POC / Exploit Code
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