Summary
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.
Fixed packages 4
| Release | Package | Fixed in |
|---|---|---|
| Ubuntu · Pro 14.04 LTS Pro:14.04:LTS | nginx | 1.4.6-1ubuntu3.9+esm8 |
| Ubuntu · Pro 16.04 LTS Pro:16.04:LTS | nginx | 1.10.3-0ubuntu0.16.04.5+esm9 |
| Ubuntu · Pro 18.04 LTS Pro:18.04:LTS | nginx | 1.14.0-0ubuntu1.11+esm4 |
| Ubuntu · Pro 20.04 LTS Pro:20.04:LTS | nginx | 1.18.0-0ubuntu1.7+esm3 |
References
-
report
https://ubuntu.com/security/CVE-2026-49975