Vulnerability · Published Feb 22, 2021 · Assigned by Chrome
CVE-2021-21155
Critical 9.6
In plain English
A critical-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)9.6Critical
Exploit odds (30 days)1.3%top 28.9% of all CVEs
Exploited in the wildNo reportsnot in CISA KEV
Attack toolingNoneno public tooling known
Official description
Heap buffer overflow in Tab Strip in Google Chrome on Windows prior to 88.0.4324.182 allowed a remote attacker who had compromised the renderer process to potentially perform a sandbox escape via a crafted HTML page.
Affected packages & fixed versions
| Ecosystem | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian:12 | chromium | 88.0.4324.182-1 | DEBIAN-CVE-2021-21155 |
| Debian:13 | chromium | 88.0.4324.182-1 | DEBIAN-CVE-2021-21155 |
| Debian:14 | chromium | 88.0.4324.182-1 | DEBIAN-CVE-2021-21155 |
Affected products (as reported)
References
- https://chromereleases.googleblog.com/2021/02/stable-channel-update-for-desktop_16.html x_refsource_MISC
- https://crbug.com/1175500 x_refsource_MISC
- FEDORA-2021-aa764a8531 vendor-advisory, x_refsource_FEDORA
- FEDORA-2021-c88a96bd4b vendor-advisory, x_refsource_FEDORA
- GLSA-202104-08 vendor-advisory, x_refsource_GENTOO