CVE-2026-4455CWE-122

Heap buffer overflow in PDFium in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file

High · published March 20, 2026

CVSS v3.1
8.8
EPSS
0%
Percentile
26.5
In the wild
Unconfirmed
What it is

Heap buffer overflow in PDFium in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file. (Chromium security severity: High)

The record
Technical detail
CVSS v3.1
8.8 · HIGH
Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CVSS v4.0
Not supplied
EPSS
0.00343 · 26.5th percentile
Weakness
CWE-122 · Heap-based Buffer Overflow
Published
2026-03-20T01:34Z
EPSS history
Timeline
  • 20 MAR 01:34Z
    Heap buffer overflow in PDFium in Google Chrome prior to 146.0.7680.153 allowed a remote attacker to potentially exploit heap corruption via a crafted PDF file
    cvelistv5