Vulnerability in Google Chrome
CVE-2021-21148
Heap buffer overflow in V8 in Google Chrome prior to 88.0.4324.150 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
EPSS: 0.223 (95.9th 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
- crbug.com/1170176 (x_refsource_MISC)
- chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_4.html (x_refsource_MISC)
- FEDORA-2021-05afa65d39 (vendor-advisory, x_refsource_FEDORA)
- FEDORA-2021-7fb30b9381 (vendor-advisory, x_refsource_FEDORA)
- DSA-4858 (vendor-advisory, x_refsource_DEBIAN)
- GLSA-202104-08 (vendor-advisory, x_refsource_GENTOO)
- packetstormsecurity.com/files/162579/Chrome-Array-Transfer-Bypass.html (x_refsource_MISC)
Frequently asked questions
- What is CVE-2021-21148?
- CVE-2021-21148 is a vulnerability in Google Chrome. Published 2021-02-09.
- Is CVE-2021-21148 known to be exploited?
- Yes. CVE-2021-21148 is listed in the CISA Known Exploited Vulnerabilities catalog (added 2021-11-03), indicating it is being actively exploited. 17 public proof-of-concept repositories are indexed.