CVE-2026-7339 - chromium-browser: Heap buffer overflow in WebRTC

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HIGH

chromium-browser: Heap buffer overflow in WebRTC

Published Apr 28, 2026

8.8

HIGH

CVSS 3.1

EPSS 0.35%

Description

Heap buffer overflow in WebRTC in Google Chrome prior to 147.0.7727.138 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page. (Chromium security severity: Medium)

Affected products

Vendor Google Product Chrome Default
n/a
- Version
  147.0.7727.138
  Status
  affected
  Constraints
  <147.0.7727.138

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor

Product

Default status

Versions

Google

Chrome

n/a

Version	Status	Constraints
147.0.7727.138	affected	<147.0.7727.138

Remediation

Red Hat statement

Red Hat Product Security rates the severity of this flaw as determined by the Google Chrome Security Advisory.

Weaknesses (2)

CWE-122

CWE-787

Out-of-bounds Write

References (7)

https://access.redhat.com/security/cve/CVE-2026-7339
Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2463658
Issue Tracking
https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html
Vendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-26165
Advisory
https://issues.chromium.org/issues/493957495
Permissions Required
https://nvd.nist.gov/vuln/detail/CVE-2026-7339
https://www.cve.org/CVERecord?id=CVE-2026-7339

Link	Providers	Tags
https://access.redhat.com/security/cve/CVE-2026-7339		Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=2463658		Issue Tracking
https://chromereleases.googleblog.com/2026/04/stable-channel-update-for-desktop_28.html		Vendor Advisory
https://euvd.enisa.europa.eu/vulnerability/EUVD-2026-26165		Advisory
https://issues.chromium.org/issues/493957495		Permissions Required
https://nvd.nist.gov/vuln/detail/CVE-2026-7339
https://www.cve.org/CVERecord?id=CVE-2026-7339