CVE-2026-17978: Side-channel information leakage in Google Chrome
A side-channel information leakage vulnerability exists in the WebCodecs component of Google Chrome prior to version 151.0.7922.72. This flaw allows a remote attacker to potentially obtain sensitive information from process memory by crafting a malicious HTML page. The vulnerability is classified with low severity by Chromium security. There is no explicit patch or remediation level stated in the provided data, but the affected version is exactly 151.0.7922.72, implying versions before this are vulnerable.
AI Analysis
Technical Summary
CVE-2026-17978 is a side-channel information leakage vulnerability in the WebCodecs feature of Google Chrome. It affects versions prior to 151.0.7922.72 and enables a remote attacker to extract potentially sensitive information from process memory through a specially crafted HTML page. The vulnerability has been assigned a low severity rating by Chromium security. No CVSS score or detailed remediation information is provided in the input data. The vendor advisory URL is available but does not explicitly confirm patch status in the provided content.
Potential Impact
The vulnerability allows remote attackers to obtain potentially sensitive information from the memory of the Chrome process. This could lead to information disclosure but is rated as low severity, indicating limited impact or difficulty in exploitation. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users should update to Chrome version 151.0.7922.72 or later once confirmed to be fixed. Until then, no specific mitigation steps are provided.
CVE-2026-17978: Side-channel information leakage in Google Chrome
Description
A side-channel information leakage vulnerability exists in the WebCodecs component of Google Chrome prior to version 151.0.7922.72. This flaw allows a remote attacker to potentially obtain sensitive information from process memory by crafting a malicious HTML page. The vulnerability is classified with low severity by Chromium security. There is no explicit patch or remediation level stated in the provided data, but the affected version is exactly 151.0.7922.72, implying versions before this are vulnerable.
Affected software
pkg:github/chromium/chromiumRun on your own infrastructure? Check whether these packages are installed with threat-finder — our free open-source scanner.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-17978 is a side-channel information leakage vulnerability in the WebCodecs feature of Google Chrome. It affects versions prior to 151.0.7922.72 and enables a remote attacker to extract potentially sensitive information from process memory through a specially crafted HTML page. The vulnerability has been assigned a low severity rating by Chromium security. No CVSS score or detailed remediation information is provided in the input data. The vendor advisory URL is available but does not explicitly confirm patch status in the provided content.
Potential Impact
The vulnerability allows remote attackers to obtain potentially sensitive information from the memory of the Chrome process. This could lead to information disclosure but is rated as low severity, indicating limited impact or difficulty in exploitation. There are no known exploits in the wild at the time of this report.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory at https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html for current remediation guidance. Users should update to Chrome version 151.0.7922.72 or later once confirmed to be fixed. Until then, no specific mitigation steps are provided.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- Chrome
- Date Reserved
- 2026-07-27T23:37:12.011Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://chromereleases.googleblog.com/2026/07/stable-channel-update-for-desktop_0887107924.html","vendor":"Google"}]
Threat ID: 6a6aa0ad9c2644c7f849bd2d
Added to database: 07/30/2026, 00:54:05 UTC
Last enriched: 07/30/2026, 01:38:57 UTC
Last updated: 07/30/2026, 02:03:29 UTC
Views: 3
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