Side-channel information leakage in WebCodecs in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to obtain potentially sensitive… (CVE-2026-17978)
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)
AI Analysis
Technical Summary
CVE-2026-17978 is a side-channel information leakage vulnerability in the WebCodecs feature of Google Chrome before version 151.0.7922.72. An attacker can exploit this by crafting a malicious HTML page that triggers leakage of sensitive information from process memory. The vulnerability is identified as CWE-1300 (Side Channel Information Leak). There is no CVSS score available, and no explicit patch or remediation details are provided in the input data.
Potential Impact
A remote attacker can potentially obtain sensitive information from the memory of the affected process by exploiting this side-channel vulnerability. The Chromium security team rates this issue as low severity. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability affects versions prior to 151.0.7922.72, updating to version 151.0.7922.72 or later is likely recommended once confirmed by the vendor. Until then, users should monitor official Google Chrome security advisories for updates.
Side-channel information leakage in WebCodecs in Google Chrome prior to 151.0.7922.72 allowed a remote attacker to obtain potentially sensitive… (CVE-2026-17978)
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)
CVSS v3.1
Score 5.3medium
Affected software
Weaknesses
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 before version 151.0.7922.72. An attacker can exploit this by crafting a malicious HTML page that triggers leakage of sensitive information from process memory. The vulnerability is identified as CWE-1300 (Side Channel Information Leak). There is no CVSS score available, and no explicit patch or remediation details are provided in the input data.
Potential Impact
A remote attacker can potentially obtain sensitive information from the memory of the affected process by exploiting this side-channel vulnerability. The Chromium security team rates this issue as low severity. No known exploitation in the wild has been reported.
Mitigation Recommendations
Patch status is not yet confirmed — check the vendor advisory for current remediation guidance. Since the vulnerability affects versions prior to 151.0.7922.72, updating to version 151.0.7922.72 or later is likely recommended once confirmed by the vendor. Until then, users should monitor official Google Chrome security advisories for updates.
Technical Details
- Gcve Source
- db.gcve.eu
- Osv Id
- GHSA-67c8-vprw-8m9v
- Osv Schema Version
- 1.4.0
- Aliases
- ["CVE-2026-17978"]
- Ecosystems
- []
- Database Specific Severity
- null
- Cvss Version
- null
Threat ID: 6a6ae5119c2644c7f8980531
Added to database: 07/30/2026, 05:45:53 UTC
Last enriched: 07/30/2026, 05:57:21 UTC
Last updated: 07/31/2026, 02:51:54 UTC
Views: 4
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