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

DSA 4906-1: chromium security update

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Debian Security Advisory DSA-4906-1 security@debian.org
  https://www.debian.org/security/ Michael Gilbert
April 27, 2021   https://www.debian.org/security/faq
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Package : chromium
CVE ID : CVE-2021-21201 CVE-2021-21202 CVE-2021-21203 CVE-2021-21204
CVE-2021-21205 CVE-2021-21207 CVE-2021-21208 CVE-2021-21209
CVE-2021-21210 CVE-2021-21211 CVE-2021-21212 CVE-2021-21213
CVE-2021-21214 CVE-2021-21215 CVE-2021-21216 CVE-2021-21217
CVE-2021-21218 CVE-2021-21219 CVE-2021-21221 CVE-2021-21222
CVE-2021-21223 CVE-2021-21224 CVE-2021-21225 CVE-2021-21226

Several vulnerabilities have been discovered in the chromium web browser.

CVE-2021-21201

Gengming Liu and Jianyu Chen discovered a use-after-free issue.

CVE-2021-21202

David Erceg discovered a use-after-free issue in extensions.

CVE-2021-21203

asnine discovered a use-after-free issue in Blink/Webkit.

CVE-2021-21204

Tsai-Simek, Jeanette Ulloa, and Emily Voigtlander discovered a
use-after-free issue in Blink/Webkit.

CVE-2021-21205

Alison Huffman discovered a policy enforcement error.

CVE-2021-21207

koocola and Nan Wang discovered a use-after-free in the indexed database.

CVE-2021-21208

Ahmed Elsobky discovered a data validation error in the QR code scanner.

CVE-2021-21209

Tom Van Goethem discovered an implementation error in the Storage API.

CVE-2021-21210

@bananabr discovered an error in the networking implementation.

CVE-2021-21211

Akash Labade discovered an error in the navigation implementation.

CVE-2021-21212

Hugo Hue and Sze Yui Chau discovered an error in the network configuration
user interface.

CVE-2021-21213

raven discovered a use-after-free issue in the WebMIDI implementation.

CVE-2021-21214

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

CVE-2021-21215

Abdulrahman Alqabandi discovered an error in the Autofill feature.

CVE-2021-21216

Abdulrahman Alqabandi discovered an error in the Autofill feature.

CVE-2021-21217

Zhou Aiting discovered use of uninitialized memory in the pdfium library.

CVE-2021-21218

Zhou Aiting discovered use of uninitialized memory in the pdfium library.

CVE-2021-21219

Zhou Aiting discovered use of uninitialized memory in the pdfium library.

CVE-2021-21221

Guang Gong discovered insufficient validation of untrusted input.

CVE-2021-21222

Guang Gong discovered a buffer overflow issue in the v8 javascript
library.

CVE-2021-21223

Guang Gong discovered an integer overflow issue.

CVE-2021-21224

Jose Martinez discovered a type error in the v8 javascript library.

CVE-2021-21225

Brendon Tiszka discovered an out-of-bounds memory access issue in the v8
javascript library.

CVE-2021-21226

Brendon Tiszka discovered a use-after-free issue in the networking
implementation.

For the stable distribution (buster), these problems have been fixed in
version 90.0.4430.85-1~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/