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CVE-2021-30633

🔥 Known Exploited (CISA KEV)CRITICAL

9.6

CVSS Severity Score

EPSS Score79.2880%

EPSS Percentile88.70th

Published2021-10-08

Last Modified2025-10-24

Data SourcesNVDCISA KEVFIRST.org EPSS

Vulnerability Description

Use after free in Indexed DB API in Google Chrome prior to 93.0.4577.82 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.

Affected Platforms (CPE)

📦

Google

Chrome

< 93.0.4577.82

💻

Fedoraproject

Fedora

= 33= 35

References & Advisories

🔗 https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html

🔗 https://crbug.com/1247766

🔗 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/

🔗 https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html

🔗 https://crbug.com/1247766

🔗 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/

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