Summary
Package updates are available for Amazon Linux 2 that fix the following vulnerabilities: CVE-2026-35536: In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were not checked for crafted characters.
Fixed packages 3
| Release | Package | Fixed in |
|---|---|---|
| Amazon Linux · 2 | python-tornado | 0:4.2.1-3.amzn2.0.5 |
| Amazon Linux · 2 | python-tornado-debuginfo | 0:4.2.1-3.amzn2.0.5 |
| Amazon Linux · 2 | python-tornado-doc | 0:4.2.1-3.amzn2.0.5 |
Vulnerabilities 1
-
High 7.2
Tornado has incomplete validation of cookie attributes
In Tornado before 6.5.5, cookie attribute injection could occur because the domain, path, and samesite arguments to .RequestHandler.set_cookie were not checked for crafted characters.
References
-
web
https://alas.aws.amazon.com/cve/html/CVE-2026-35536.html