CVE-2025-3066: google chrome Use After Free
CVSS: 8.8v3.1HighModified
AliasesopenSUSE-SU-2025:0120-1DEBIAN-CVE-2025-3066DSA-5898-1CGA-46fx-8mf5-327hCGA-rrq4-w37c-93w9
Published 02-04-2025Last modified 26-02-2026
Vulnerability summary
CVE-2025-3066 is a high (CVSS 8.8) Use After Free vulnerability in google chrome. EPSS estimates a 0.41% chance of exploitation in the next 30 days, higher than 33.4% of scored vulnerabilities.
CVSS score
8.8/10
010
High · v3.1 (CVE.org)EPSS score
0.41%
0%100%
Low · +0.01 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 3 · Related 3Timeline
- 02-04-2025PublishedVulnerability first disclosed.
- 26-02-2026Last modifiedVulnerability information updated.
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 metrics
5 scores · 5 sources · 1 versionHigh 8.8Preferred score · CVE.org (CNA)
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:HSourcesAll 5 agree
- OSV · DebianEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · WolfiEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- OSV · ChainguardEcosystem advisory · calculated8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
- NVDNIST8.8HighCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
EPSS trend
Probability
0.41%
Chance of exploitation in the next 30 days
Percentile
33%
Versus all other CVEs
30-day change
+0.01 pp
From 0.40% on 19-09-2026
19-09-202619-10-2026
EPSS score0.41%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Chainguard1 product
- chromium< 135.0.7049.52-r0
Debian1 product
- chromium< 135.0.7049.84-1 | < 135.0.7049.84-1~deb12u1
Google1 product
- chrome≥ 135.0.7049.84, < 135.0.7049.84 | < 135.0.7049.52
Opensuse1 product
- chromium&distro=openSUSE Leap 15.6< 135.0.7049.84-bp156.2.107.1
Suse1 product
- chromium&distro=SUSE Package Hub 15 SP6< 135.0.7049.84-bp156.2.107.1
Wolfi1 product
- chromium< 135.0.7049.52-r0
6 vendors · 6 products
References
8 links- lists.opensuse.org/archives/…Advisory
