CVE-2026-5419
Publication date 30 April 2026
Last updated 13 May 2026
Ubuntu priority
Description
The PKCS#7 padding check performed during decryption was not constant-time, potentially leaking information about the padding bytes through timing differences.
Status
| Package | Ubuntu Release | Status |
|---|---|---|
| gnutls28 | 26.04 LTS resolute |
Needs evaluation
|
| 25.10 questing |
Needs evaluation
|
|
| 24.04 LTS noble |
Needs evaluation
|
|
| 22.04 LTS jammy |
Not affected
|
|
| 20.04 LTS focal |
Not affected
|
|
| 18.04 LTS bionic |
Not affected
|
|
| 16.04 LTS xenial |
Not affected
|