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OpenAdvisories
High · 8.8 Known exploited Public exploit CVE-2021-30563 EUVD-2021-17483GHSA-m4g6-h6xh-8xr8

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted…

Published Aug 3, 2021 · Updated Oct 21, 2025 · Assigned by Chrome

Description

Type Confusion in V8 in Google Chrome prior to 91.0.4472.164 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.

Affected products

VendorProductAffectedFixed
Google Chrome unspecified – < 91.0.4472.164 91.0.4472.164

Fixed in Linux distributions

Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.

ReleasePackageFixed inAdvisory
Debian 14 chromium 93.0.4577.82-1 —
Debian 13 chromium 93.0.4577.82-1 —
Debian 12 chromium 93.0.4577.82-1 —
ReleasePackageFixed inAdvisory
Ubuntu 18.04 LTS chromium-browser 92.0.4515.159-0ubuntu0.18.04.1 —
ReleasePackageFixed inAdvisory
SUSE Package Hub 15 SP3 chromium 91.0.4472.164-bp153.2.16.1 openSUSE-SU-2021:1074-1
ReleasePackageFixed inAdvisory
openSUSE Tumbleweed chromium 93.0.4577.82-1.1 openSUSE-SU-2024:12948-1, openSUSE-SU-2024:10681-1
openSUSE Leap 15.4 opera 85.0.4341.28-lp154.2.5.1 openSUSE-SU-2022:0110-1
openSUSE Leap 15.3 chromium 91.0.4472.164-bp153.2.16.1 openSUSE-SU-2021:1074-1
openSUSE Leap 15.3 opera 77.0.4054.277-lp153.2.9.1 openSUSE-SU-2021:1095-1
openSUSE Leap 15.2 chromium 91.0.4472.164-lp152.2.113.2 openSUSE-SU-2021:1073-1
openSUSE Leap 15.2 opera 77.0.4054.277-lp152.2.55.1 openSUSE-SU-2021:1096-1
ReleasePackageFixed inAdvisory
Alpine v3.24 chromium 91.0.4472.164-r0 —
Alpine v3.23 chromium 91.0.4472.164-r0 —
Alpine v3.23 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.22 chromium 91.0.4472.164-r0 —
Alpine v3.22 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.21 chromium 91.0.4472.164-r0 —
Alpine v3.21 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.20 chromium 91.0.4472.164-r0 —
Alpine v3.20 qt5-qtwebengine 5.15.3_git20210510-r4 —
Show 6 more (older releases, extended support, other products)
ReleasePackageFixed inAdvisory
Alpine v3.19 chromium 91.0.4472.164-r0 —
Alpine v3.19 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.18 chromium 91.0.4472.164-r0 —
Alpine v3.18 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.17 chromium 91.0.4472.164-r0 —
Alpine v3.17 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.16 chromium 91.0.4472.164-r0 —
Alpine v3.16 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.15 chromium 91.0.4472.164-r0 —
Alpine v3.15 qt5-qtwebengine 5.15.3_git20210510-r4 —
Alpine v3.14 chromium 91.0.4472.164-r0 —
Alpine v3.14 qt5-qtwebengine 5.15.3_git20211006-r0 —

Public exploits

Exploit or proof-of-concept code for this vulnerability is publicly available, which lowers the bar for attackers. Treat it as a reason to patch sooner.

Third-party code, not reviewed by us. Public PoCs are sometimes fake or contain malware. Read the code first and run it only in an isolated lab, against systems you are authorised to test.

GitHub 1 repository

  • RemiPelloux/HackoogleMini ★ 31 · Oct 26, 2026

    Software-only shell access research on Google Home Mini gen 1 — Chrome/92 CVE-2021-30563, Cast registry MITM, Magellan SQLite RCE, YAFFS2 exploit. No hardware mods.

Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.

Advisories 7

References