CVE-2025-6556

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)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTNIST
5.4 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
ChromeCNA
---
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CISA-ADPADP
5.4 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:L/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 6%
VendorProductVersion
googlechrome
𝑥
< 138.0.7204.49
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bullseye (security)
vulnerable
bullseye
vulnerable
bookworm
139.0.7258.154-1~deb12u1
fixed
bookworm (security)
142.0.7444.134-1~deb12u1
fixed
trixie
139.0.7258.154-1~deb13u1
fixed
trixie (security)
142.0.7444.134-1~deb13u1
fixed
forky
142.0.7444.134-1
fixed
sid
142.0.7444.134-1
fixed
Ubuntu logo
Ubuntu Releases
Ubuntu Product
Codename
chromium-browser
plucky
not-affected
oracular
not-affected
noble
not-affected
jammy
not-affected
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2025/06/stable-channel-update-for-desktop_24.html
https://issues.chromium.org/issues/40062462