CVE-2026-63676
Public on 2026-08-26
Modified on 2026-08-26
Description
Backtracking leads to exponential load time in libyaml library.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | perl | Not Affected | ||
| Amazon Linux 2023 | perl | Not Affected | ||
| Amazon Linux 2027 Preview | perl | Not Affected | ||
| Amazon Linux 2 - Core | perl-YAML | 2026-09-14 | ALAS2-2026-3918 | Fixed |
| Amazon Linux 2023 | perl-YAML | 2026-09-14 | ALAS2023-2026-2151 | Fixed |
| Amazon Linux 2027 Preview | perl-YAML | Pending Fix | ||
| Amazon Linux 2023 | perl-YAML-LibYAML | Not Affected | ||
| Amazon Linux 2027 Preview | perl-YAML-LibYAML | Not Affected |
CVSS Scores
| Score Type | Score | Vector | |
|---|---|---|---|
| Amazon Linux | CVSSv3 | 7.5 | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H |