5.4

CVE-2025-6556: google chrome

CVSS: 5.4v3.1MediumAnalyzed
AliasesDEBIAN-CVE-2025-6556CGA-q3xq-pr9c-rjxrCGA-x98r-33c8-28hc
Published 24-06-2025Last modified 26-02-2026
Open JSON

Vulnerability summary

CVE-2025-6556 is a medium (CVSS 5.4) vulnerability in google chrome. EPSS estimates a 0.21% chance of exploitation in the next 30 days, higher than 10.1% of scored vulnerabilities.

Overall risk
22/100
0100
Low · default modelHow is this calculated?
CVSS score
5.4/10
010
Medium · v3.1 (CVE.org)
EPSS score
0.21%
0%100%
Low · 0.00 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded

Advisory lineage

Upstream 0 · Downstream 2 · Related 3
DSA-5952-1OPENSUSE-SU-2025:15210-1CGA-5RH5-M5CW-XW5RCGA-F2PV-FF3R-RR48

Timeline

  1. 24-06-2025
    PublishedVulnerability first disclosed.
  2. 26-02-2026
    Last modifiedVulnerability information updated.

Description

Insufficient policy enforcement in Loader in Google Chrome prior to 138.0.7204.49 allowed a remote attacker to bypass content security policy via a crafted HTML page. (Chromium security severity: Low)

CVSS metrics

5 scores · 5 sources · 1 version

EPSS trend

Probability

0.21%

Chance of exploitation in the next 30 days

Percentile

10%

Versus all other CVEs

30-day change

0.00 pp

From 0.21% on 21-09-2026

21-09-202621-10-2026
EPSS score
0.21%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

0 found

No public exploits indexed.

Weaknesses

CWE · root cause

Affected systems

Chainguard1 product
  • chromium< 138.0.7204.92-r0
Debian1 product
  • chromium< 138.0.7204.49-1~deb12u1 | < 138.0.7204.49-1
Google1 product
  • chrome≥ 138.0.7204.49, < 138.0.7204.49 | < 138.0.7204.49
Wolfi1 product
  • chromium< 138.0.7204.92-r0

4 vendors · 4 products

References

3 links