Use After Free The advisory has been revoked - it doesn't affect any version of package chromium-browser (opens in a new tab)
Threat Intelligence
Snyk has reported that there have been attempts or successful attacks targeting this vulnerability.
The probability is the direct output of the EPSS model, and conveys an overall sense of the threat of exploitation in the wild. The percentile measures the EPSS probability relative to all known EPSS scores. Note: This data is updated daily, relying on the latest available EPSS model version. Check out the EPSS documentation for more details.
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Test your applications- Snyk IDSNYK-UBUNTU2004-CHROMIUMBROWSER-1086112
- published16 Mar 2021
- disclosed16 Mar 2021
Introduced: 16 Mar 2021
CVE-2021-21193 (opens in a new tab)Amendment
The Ubuntu security team deemed this advisory irrelevant for Ubuntu:20.04.
NVD Description
Note: Versions mentioned in the description apply only to the upstream chromium-browser package and not the chromium-browser package as distributed by Ubuntu.
Use after free in Blink in Google Chrome prior to 89.0.4389.90 allowed a remote attacker to potentially exploit heap corruption via a crafted HTML page.
References
- http://people.ubuntu.com/~ubuntu-security/cve/CVE-2021-21193
- https://www.debian.org/security/2021/dsa-4886
- https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/
- https://chromereleases.googleblog.com/2021/03/stable-channel-update-for-desktop_12.html
- https://crbug.com/1186287
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/N52OWF4BAP3JNK2QYGU3Q6QUVDZDCIMQ/
- https://security.gentoo.org/glsa/202104-08
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog?field_cve=CVE-2021-21193
- https://www.cisa.gov/known-exploited-vulnerabilities-catalog