Packages
- nginx - small, powerful, scalable web/proxy server
Details
USN-8398-3 fixed a vulnerability in nginx. This update provides the
corresponding fix for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu
18.04 LTS, and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that nginx incorrectly handled certain cookie headers in
the HTTP/2 implementation. A remote attacker could possibly use this issue
to cause nginx to consume excessive resources, resulting in a denial of
service.
USN-8398-3 fixed a vulnerability in nginx. This update provides the
corresponding fix for Ubuntu 14.04 LTS, Ubuntu 16.04 LTS, Ubuntu
18.04 LTS, and Ubuntu 20.04 LTS.
Original advisory details:
It was discovered that nginx incorrectly handled certain cookie headers in
the HTTP/2 implementation. A remote attacker could possibly use this issue
to cause nginx to consume excessive resources, resulting in a denial of
service.
Update instructions
In general, a standard system update will make all the necessary changes.
Learn more about how to get the fixes.The problem can be corrected by updating your system to the following package versions:
| Ubuntu Release | Package Version | ||
|---|---|---|---|
| 20.04 LTS focal | nginx – 1.18.0-0ubuntu1.7+esm3 | ||
| nginx-common – 1.18.0-0ubuntu1.7+esm3 | |||
| nginx-core – 1.18.0-0ubuntu1.7+esm3 | |||
| nginx-extras – 1.18.0-0ubuntu1.7+esm3 | |||
| nginx-full – 1.18.0-0ubuntu1.7+esm3 | |||
| nginx-light – 1.18.0-0ubuntu1.7+esm3 | |||
| 18.04 LTS bionic | nginx – 1.14.0-0ubuntu1.11+esm4 | ||
| nginx-core – 1.14.0-0ubuntu1.11+esm4 | |||
| nginx-extras – 1.14.0-0ubuntu1.11+esm4 | |||
| nginx-full – 1.14.0-0ubuntu1.11+esm4 | |||
| nginx-light – 1.14.0-0ubuntu1.11+esm4 | |||
| 16.04 LTS xenial | nginx – 1.10.3-0ubuntu0.16.04.5+esm9 | ||
| nginx-common – 1.10.3-0ubuntu0.16.04.5+esm9 | |||
| nginx-core – 1.10.3-0ubuntu0.16.04.5+esm9 | |||
| nginx-extras – 1.10.3-0ubuntu0.16.04.5+esm9 | |||
| nginx-full – 1.10.3-0ubuntu0.16.04.5+esm9 | |||
| nginx-light – 1.10.3-0ubuntu0.16.04.5+esm9 | |||
| 14.04 LTS trusty | nginx – 1.4.6-1ubuntu3.9+esm8 | ||
| nginx-common – 1.4.6-1ubuntu3.9+esm8 | |||
| nginx-core – 1.4.6-1ubuntu3.9+esm8 | |||
| nginx-extras – 1.4.6-1ubuntu3.9+esm8 | |||
| nginx-full – 1.4.6-1ubuntu3.9+esm8 | |||
| nginx-light – 1.4.6-1ubuntu3.9+esm8 | |||
Reduce your security exposure
Ubuntu Pro provides ten-year security coverage to 25,000+ packages in Main and Universe repositories, and it is free for up to five machines.