Vulnerability · Published Jun 7, 2021 · Assigned by Chrome
CVE-2021-30521
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 1.3% (higher than 71% of all known vulnerabilities). Fixed versions are available - upgrade the affected package.
Severity (CVSS NVD)8.8High
Exploit odds (30 days)1.3%top 28.7% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Heap buffer overflow in Autofill in Google Chrome on Android prior to 91.0.4472.77 allowed a remote attacker to perform out of bounds memory access via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine:v3.20 | chromium | 91.0.4472.77-r0 | ALPINE-CVE-2021-30521 |
| Alpine:v3.21 | chromium | 91.0.4472.77-r0 | ALPINE-CVE-2021-30521 |
| Alpine:v3.22 | chromium | 91.0.4472.77-r0 | ALPINE-CVE-2021-30521 |
| Alpine:v3.23 | chromium | 91.0.4472.77-r0 | ALPINE-CVE-2021-30521 |
| Alpine:v3.24 | chromium | 91.0.4472.77-r0 | ALPINE-CVE-2021-30521 |
| Debian:12 | chromium | 93.0.4577.82-1 | DEBIAN-CVE-2021-30521 |
| Debian:13 | chromium | 93.0.4577.82-1 | DEBIAN-CVE-2021-30521 |
| Debian:14 | chromium | 93.0.4577.82-1 | DEBIAN-CVE-2021-30521 |
Affected products (as reported)
References
- https://crbug.com/1208721 x_refsource_MISC
- https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html 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