Description
Type confusion in V8 in Google Chrome prior to 90.0.4430.212 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
Affected products
| Vendor | Product | Affected | Fixed |
|---|---|---|---|
| Chrome | unspecified – < 90.0.4430.212 | 90.0.4430.212 |
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.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | chromium | 90.0.4430.212-1 | — |
| Debian 13 | chromium | 90.0.4430.212-1 | — |
| Debian 12 | chromium | 90.0.4430.212-1 | — |
| Debian 10 | chromium | 90.0.4430.212-1~deb10u1 | DSA-4917-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | chromium-browser | 91.0.4472.77-0ubuntu0.18.04.1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| 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 | opera | 76.0.4017.154-lp153.2.3.1 | openSUSE-SU-2021:0828-1 |
| openSUSE Leap 15.2 | chromium | 90.0.4430.212-lp152.2.92.1 | openSUSE-SU-2021:0762-1, openSUSE-SU-2021:0742-1 |
| openSUSE Leap 15.2 | opera | 76.0.4017.154-lp152.2.49.1 | openSUSE-SU-2021:0829-1 |
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
-
jamezx32/CVE-2021-30517 ★ 0 · Oct 14, 2026
V8 SuperIC confusion - PoC + addrof/fakeobj/arb-rw exploit snippets
Sources: PoC-in-GitHub, Metasploit Framework, Exploit-DB — updated daily. Only links are listed; no exploit code is hosted here.
Advisories 8
- DSA-4917-1 chromium - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10681-1 chromedriver-93.0.4577.82-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0828-1 Security update for opera SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0762-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2024:12948-1 ungoogled-chromium-113.0.5672.92-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0742-1 Security update for chromium SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2022:0110-1 Security update for opera SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2021:0829-1 Security update for opera SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop.html
- https://crbug.com/1203122
- GLSA-202107-06 vendor-advisory
- FEDORA-2021-f94dadff78 vendor-advisory
- FEDORA-2021-ca58c57bdf vendor-advisory