The update for webkit2gtk released as 4797-1 introduced a regression
with the WebSockets functionality. Updated webkit2gtk packages are now
available to correct this issue.
For the stable distribution (buster), this problem has been fixed in
We recommend that you upgrade your webkit2gtk packages.
For the detailed security status of webkit2gtk please refer to
its security tracker page at:
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/
Mailing list: [email protected]
Debian Security Advisory DSA-4797-2 [email protected]
https://www.debian.org/security/ Alberto Garcia
December 22, 2020 https://www.debian.org/security/faq