CVE-2021-30632

Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted...

Basic Information

CVE State: PUBLISHED
Reserved Date: April 13, 2021
Published Date: October 08, 2021
Last Updated: January 29, 2025
Vendor: Google
Product: Chrome
Description: Out of bounds write in V8 in Google Chrome prior to 93.0.4577.82 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

CVSS Scores

SSVC Information

Exploitation: active
Technical Impact: total

Exploit Status

Exploited in the Wild: Yes (added 2021-11-03 00:00:00 UTC) Source
Proof of Concept Available: Yes (added 2021-09-20 09:49:51 UTC) Source

References

https://chromereleases.googleblog.com/2021/09/stable-channel-update-for-desktop.html https://crbug.com/1247763 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/ http://packetstormsecurity.com/files/172845/Chrome-JIT-Compiler-Type-Confusion.html

Known Exploited Vulnerability Information

Source	Added Date
CISA	2021-11-03 00:00:00 UTC

Potential Proof of Concepts

Warning: These PoCs have not been tested and could contain malware. Use at your own risk.

CrackerCat/CVE-2021-30632

Type: github • Created: 2021-09-28 06:27:49 UTC • Stars: 11

Phuong39/PoC-CVE-2021-30632

Type: github • Created: 2021-09-20 09:49:51 UTC • Stars: 74

PoC CVE-2021-30632 - Out of bounds write in V8