CVE-2025-66199
Public on 2026-01-27
Modified on 2026-01-27
Description
A TLS 1.3 connection using certificate compression can be forced to allocate a large buffer before decompression without checking against the configured certificate size limit.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | edk2 | Not Affected | ||
| Amazon Linux 2 - Core | openssl | Not Affected | ||
| Amazon Linux 2023 | openssl | Pending Fix | ||
| Amazon Linux 2023 | openssl-fips-provider-certified | Not Affected | ||
| Amazon Linux 2 - Openssl-snapsafe Extra | openssl-snapsafe | Not Affected | ||
| Amazon Linux 2 - Core | openssl11 | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |