CVE-2021-30609: Use After Free
Published Sep 3, 2021
·Updated
Chromium: CVE-2021-30609 Use after free in Sign-In
Affected Software
14 affected componentsFixes available
Fedoraproject Fedora=35
Microsoft Edge<=93.0.961.38
Microsoft Edge Chromium<=93.0.4577.63
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
alpine/chromium<93.0.4577.63-r0
93.0.4577.63-r0
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade
alpine/chromiumto a version that resolves this vulnerability.Fixed in 93.0.4577.63-r0
Event History
Sep 3, 2021
CVE Published
via MITRE·07:25 PM
Data Sourced
via MITRE·07:25 PM
Description
Data Sourced
via OSV·08:15 PM
DescriptionSeverityAffected Software
Frequently Asked Questions
1
What is the severity of CVE-2021-30609?
CVE-2021-30609 has a high severity rating due to the potential for use after free vulnerabilities that can lead to arbitrary code execution.
2
How do I fix CVE-2021-30609?
To mitigate CVE-2021-30609, update your Microsoft Edge or Edge Chromium browser to a version later than 93.0.4577.63.
3
Which versions of Microsoft Edge are affected by CVE-2021-30609?
Microsoft Edge versions up to and including 93.0.961.38 are affected by CVE-2021-30609.
4
Is CVE-2021-30609 exploitable on Fedora 35?
Yes, CVE-2021-30609 is exploitable on Fedora 35 if the affected packages are installed.
5
What type of vulnerability is CVE-2021-30609?
CVE-2021-30609 is classified as a use after free vulnerability in the Sign-In component of Chromium.