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CVE-2021-30555: Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML...
CVE-2021-30555 · published 5 years ago
Summary
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.
What to do
- Update google chrome to version 91.0.4472.114 or later.
Affected software
| Vendor | Product | Affected versions |
|---|---|---|
| chrome |
< 91.0.4472.114 cpe:2.3:a:google:chrome:*:*:*:*:*:*:*:* |
Original advisory text
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML...
Use after free in Sharing in Google Chrome prior to 91.0.4472.114 allowed an attacker who convinced a user to install a malicious extension to potentially exploit heap corruption via a crafted HTML page and user gesture.
References
- https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop_... Release Notes Vendor Advisory
- https://crbug.com/1215029 Permissions Required Vendor Advisory
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedorapro...
- https://security.gentoo.org/glsa/202107-06 Third Party Advisory
Internet-facing
14 days
Internal
At next upgrade
- Not known to be exploited
- Needs hands-on effort to exploit (estimated)
- Gives an attacker full control (estimated)
Type
CWE-416Use After Free
Timeline
Published2 Jul 2021
Updated4 Nov 2026
First seen29 Sep 2026
Sources
CVE-2021-30555 · NVD
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