CVE-2026-17978

chromium-browser: chromium-browser: Side-channel information leakage in WebCodecs

Published Jul 30, 2026 CVSS 3.1 · 5.3 Medium EPSS < 1% KEV · Not listed
Description
Side-channel information leakage in WebCodecs in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)

Remediation

No solution or workaround provided in the CVE record

Tracking

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Advisories

Source ID Title
Debian DLA Debian DLA DLA-4710-1 chromium security update
Debian DSA Debian DSA DSA-6408-1 chromium security update
History
Type Values Removed Values Added
Title Side-Channel Leak in WebCodecs via Crafted HTML chromium-browser: chromium-browser: Side-channel information leakage in WebCodecs
Weaknesses CWE-205
References
Metrics threat_severity

None

threat_severity

Low

Type Values Removed Values Added
Title Side-Channel Leak in WebCodecs via Crafted HTML
Type Values Removed Values Added
Metrics cvssV3_1

{'score': 5.3, 'vector': 'CVSS:3.1/AV:N/AC:H/PR:N/UI:R/S:U/C:H/I:N/A:N'}

ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}

Type Values Removed Values Added
First Time appeared Google
Google chrome
Vendors & Products Google
Google chrome
Type Values Removed Values Added
Description Side-channel information leakage in WebCodecs in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to obtain potentially sensitive information from process memory via a crafted HTML page. (Chromium security severity: Low)
Weaknesses CWE-1300
References
Weaknesses

Sources

Status
PUBLISHED
Assigner
Chrome
Published
Updated
Jul 30, 2026, 6:20 PM
Reserved
Jul 27, 2026, 11:37 PM
Status
Analyzed
Published
Jul 30, 2026, 1:17 AM
Modified
Oct 23, 2026, 10:10 PM
Severity
Low
Public date
Jul 30, 2026, 12:25 AM