CVE-2025-3066 — Use After Free in Google Chrome

CWE-416 — Use After FreeCWE-502 — Deserialization of Untrusted Data11 documents11 sources
Severity
8.8HIGHNVD
CISA9.8
EPSS
0.4%
top 39.22%
CISA KEV
Not in KEV
Exploit
No known exploits
Affected products
3
Google ChromeChromiumPaloalto Prisma Browser
Timeline
PublishedApr 2
Latest updateMay 14

Description

Use after free in Site Isolation in Google Chrome prior to 135.0.7049.84 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: High)

CVSS vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HExploitability: 2.8 | Impact: 5.9

Affected Packages4 packages

▶CVEListV5google/chrome135.0.7049.84 — 135.0.7049.84
▶NVDgoogle/chrome< 135.0.7049.52
▶Debianchromium/chromium< 135.0.7049.84-1~deb12u1+2

🔴Vulnerability Details

3
OSV
CVE-2025-3066: Use after free in Site Isolation in Google Chrome prior to 135↗2025-04-02
▶
GHSA
GHSA-mw9f-cfv6-v3rg: Use after free in Navigations in Google Chrome prior to 135↗2025-04-02
▶
CVEList
CVE-2025-3066: Use after free in Site Isolation in Google Chrome prior to 135↗2025-04-02
▶

📋Vendor Advisories

5
Palo Alto
PAN-SA-2025-0009 Chromium: Monthly Vulnerability Update (May 2025)↗2025-05-14
▶
Chrome
Stable Channel Update for ChromeOS / ChromeOS Flex: CVE-2025-3066↗2025-04-17
▶
Microsoft
Chromium: CVE-2025-3066 Use after free in Site Isolation↗2025-04-08
▶
CISA
Adobe ColdFusion Deserialization Vulnerability↗2025-02-24
▶
Debian
CVE-2025-3066: chromium - Use after free in Site Isolation in Google Chrome prior to 135.0.7049.84 allowed...↗2025
▶

🕵️Threat Intelligence

1
Bleepingcomputer
Microsoft April 2025 Patch Tuesday fixes exploited zero-day, 134 flaws↗2025-04-08
▶
CVE-2025-3066 — Use After Free in Google Chrome | cvebase