Vulnerability in Google Chrome
CVE-2021-30633
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.
EPSS: 0.301 (96.8th percentile) — read the EPSS interpretation.
Affected products
- Google Chrome — versions unspecified
CISA KEV (Known Exploited Vulnerabilities)
This CVE is on the CISA KEV catalog, added on . CISA KEV inclusion means CISA has confirmed in-the-wild exploitation; US federal agencies are required to remediate within a published due date.
BOD 22-01 due date: .
Required action: Apply updates per vendor instructions.
Public proof-of-concept exploits
References
- chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html (x_refsource_MISC)
- crbug.com/1247766 (x_refsource_MISC)
- FEDORA-2021-ab09a05562 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-591b3a2af0 (vendor-advisory, x_refsource_FEDORA)
Frequently asked questions
- What is CVE-2021-30633?
- CVE-2021-30633 is a vulnerability in Google Chrome. Published 2021-10-08.
- Is CVE-2021-30633 known to be exploited?
- Yes. CVE-2021-30633 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 5 public proof-of-concept repositories are indexed.