CVE-2021-30548: Use after free in Loader

Reference Links

• https://chromereleases.googleblog.com/2021/06/stable-channel-update-for-desktop.html (Advisory)
• https://crbug.com/1210487
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/
• https://lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
• https://security.gentoo.org/glsa/202107-06
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/PAT6EOXVQFE6JFMFQF4IKAOUQSHMHL54/
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/ETMZL6IHCTCTREEL434BQ4THQ7EOHJ43/

Parent vulnerabilities

(Appears in the following advisories)

• 6244807684233791030

Peer vulnerabilities

(Found alongside the following vulnerabilities)

• CVE-2021-30544
• CVE-2021-30545
• CVE-2021-30546
• CVE-2021-30547
• CVE-2021-30549
• CVE-2021-30550
• CVE-2021-30551
• CVE-2021-30552
• CVE-2021-30553

Frequently Asked Questions

• What is the severity of CVE-2021-30548?

  CVE-2021-30548 has a high severity rating due to the potential for exploitation leading to remote code execution.

• How do I fix CVE-2021-30548?

  To mitigate CVE-2021-30548, update Google Chrome to version 91.0.4472.101 or later.

• Which versions of Google Chrome are affected by CVE-2021-30548?

  CVE-2021-30548 affects Google Chrome versions prior to 91.0.4472.101.

• Can CVE-2021-30548 be exploited through a regular website?

  Yes, CVE-2021-30548 can be exploited through a crafted HTML page, potentially allowing remote attackers to exploit the vulnerability.

• Is there a known exploit for CVE-2021-30548?

  While there may not be a specific exploit publicly documented for CVE-2021-30548, the vulnerability poses a significant risk due to its nature.