Vulnerability · Published Jun 4, 2021 · Assigned by Chrome
CVE-2021-30517
High 8.8
In plain English
A high-severity security flaw in Chrome from Google. There are no confirmed reports of exploitation so far. The chance it is exploited in the next 30 days is estimated at 2.5% (higher than 85% of all known vulnerabilities). Ready-made attack tooling exists: public proof-of-concept code. Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)2.5%top 15.1% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack tooling1Public PoC
Official 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 packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 90.0.4430.212-1 | DEBIAN-CVE-2021-30517 |
| Debian:13 | chromium | 90.0.4430.212-1 | DEBIAN-CVE-2021-30517 |
| Debian:14 | chromium | 90.0.4430.212-1 | DEBIAN-CVE-2021-30517 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop.html x_refsource_MISC
- https://crbug.com/1203122 x_refsource_MISC
- GLSA-202107-06 vendor-advisory, x_refsource_GENTOO
- FEDORA-2021-f94dadff78 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-ca58c57bdf vendor-advisory, x_refsource_FEDORA