CVE-2021-30629: Use after free in Permissions
First published: Thu Aug 26 2021(Updated: )
Use after free in Permissions in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially exploit heap corruption via a crafted HTML page.
Credit: chrome-cve-admin@google.com Weipeng Jiang @Krace Codesafe Team of Legendsec at Qi'anxin Group
| Affected Software | Affected Version | How to fix |
|---|---|---|
| Google Chrome | <93.0.4577.82 | |
| Fedoraproject Fedora | =33 | |
| Fedoraproject Fedora | =35 | |
| Google Chrome | <93.0.4577.82 | 93.0.4577.82 |
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Reference Links
- https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html (Advisory)
- https://crbug.com/1243646
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/4DDW7HAHTS3SDVXBQUY4SURELO5D4X7R/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PM7MOYYHJSWLIFZ4TPJTD7MSA3HSSLV2/
Peer vulnerabilities
(Found alongside the following vulnerabilities)
Frequently Asked Questions
What is the severity of CVE-2021-30629?
CVE-2021-30629 has been classified as a high severity vulnerability due to the potential for remote code execution via heap corruption.
How do I fix CVE-2021-30629?
To mitigate CVE-2021-30629, update Google Chrome to version 93.0.4577.82 or later.
Which versions of Google Chrome are affected by CVE-2021-30629?
CVE-2021-30629 affects Google Chrome versions prior to 93.0.4577.82.
Can CVE-2021-30629 be exploited remotely?
Yes, CVE-2021-30629 can be exploited remotely if the attacker has control over the renderer process.
What type of vulnerability is CVE-2021-30629?
CVE-2021-30629 is a use-after-free vulnerability found in the Permissions component of Google Chrome.
- agent/type
- collector/nvd-index
- agent/software-canonical-lookup-request
- agent/weakness
- agent/description
- collector/chrome-releases
- agent/software-canonical-lookup
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- agent/severity
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- vendor/google
- canonical/google chrome
- vendor/fedoraproject
- canonical/fedoraproject fedora
- version/fedoraproject fedora/33
- version/fedoraproject fedora/35