CVE-2025-54500
Public on 2025-08-13
Modified on 2025-08-18
Description
An HTTP/2 implementation flaw allows a denial-of-service (DoS) that uses malformed HTTP/2 control frames in order to break the max concurrent streams limit (HTTP/2 MadeYouReset Attack).
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
Note: Software versions which have reached End of Technical Support (EoTS) are not evaluated.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 1 | nginx | No Fix Planned | ||
| Amazon Linux 2 - Nginx1 Extra | nginx | Not Affected | ||
| Amazon Linux 2023 | nginx | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.3 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L |