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Debian LTS Advisory DLA-2520-1                [email protected]
https://www.debian.org/lts/security/                            Brian May
January 07, 2021                              https://wiki.debian.org/LTS
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Package        : golang-websocket
Version        : 1.1.0-1+deb9u1
CVE ID         : CVE-2020-27813

There was an integer overflow vulnerability concerning the length of websocket
frames received via a websocket connection. An attacker could use this flaw to
cause a denial of service attack on an HTTP Server allowing websocket
connections.

For Debian 9 stretch, this problem has been fixed in version
1.1.0-1+deb9u1.

We recommend that you upgrade your golang-websocket packages.

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

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