CVE-2026-5864

EUVD-2026-20660
Heap buffer overflow in WebAudio in Google Chrome prior to 147.0.7727.55 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: High)
ProviderTypeBase ScoreAtk. VectorAtk. ComplexityPriv. RequiredVector
NISTPrimary
4.3 MEDIUM
NETWORK
LOW
NONE
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
Base Score
CVSS 3.x
EPSS Score
Percentile: 9%
Affected Products (NVD)
VendorProductVersion
googlechrome
𝑥
< 147.0.7727.55
𝑥
= Vulnerable software versions
Debian logo
Debian Releases
Debian Product
Codename
chromium
bookworm
147.0.7727.137-1~deb12u1
fixed
bookworm (security)
148.0.7778.178-1~deb12u1
fixed
bullseye
vulnerable
bullseye (security)
vulnerable
forky
148.0.7778.178-1
fixed
sid
148.0.7778.178-1
fixed
trixie
147.0.7727.137-1~deb13u1
fixed
trixie (security)
148.0.7778.178-1~deb13u1
fixed
Common Weakness Enumeration
References
https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop.html
https://issues.chromium.org/issues/490642831