A chromium security update has been released for Debian GNU/Linux 10 to address several vulnerabilities.

DSA 4858-1: chromium security update

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Debian Security Advisory DSA-4858-1 security@debian.org
  https://www.debian.org/security/ Michael Gilbert
February 19, 2021   https://www.debian.org/security/faq
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Package : chromium
CVE ID : CVE-2021-21148 CVE-2021-21149 CVE-2021-21150 CVE-2021-21151
CVE-2021-21152 CVE-2021-21153 CVE-2021-21154 CVE-2021-21155
CVE-2021-21156 CVE-2021-21157

Several vulnerabilities have been discovered in the chromium web browser.

CVE-2021-21148

Mattias Buelens discovered a buffer overflow issue in the v8 javascript
library.

CVE-2021-21149

Ryoya Tsukasaki discovered a stack overflow issue in the Data Transfer
implementation.

CVE-2021-21150

Woojin Oh discovered a use-after-free issue in the file downloader.

CVE-2021-21151

Khalil Zhani discovered a use-after-free issue in the payments system.

CVE-2021-21152

A buffer overflow was discovered in media handling.

CVE-2021-21153

Jan Ruge discovered a stack overflow issue in the GPU process.

CVE-2021-21154

Abdulrahman Alqabandi discovered a buffer overflow issue in the Tab Strip
implementation.

CVE-2021-21155

Khalil Zhani discovered a buffer overflow issue in the Tab Strip
implementation.

CVE-2021-21156

Sergei Glazunov discovered a buffer overflow issue in the v8 javascript
library.

CVE-2021-21157

A use-after-free issue was discovered in the Web Sockets implementation.

For the stable distribution (buster), these problems have been fixed in
version 88.0.4324.182-1~deb10u1.

We recommend that you upgrade your chromium packages.

For the detailed security status of chromium please refer to
its security tracker page at:
  https://security-tracker.debian.org/tracker/chromium

Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at:   https://www.debian.org/security/