CVE-2025-6491
Public on 2025-07-08
Modified on 2025-07-10
Description
If a SoapVar instance is created with a fully qualified name larger than 2G, this will cause a NULL pointer dereference resulting in a segmentation fault, leading to a denial of service.
CVSS v3 Base Score
See breakdown
Affected Packages
| Platform | Package | Release Date | Advisory | Status |
|---|---|---|---|---|
| Amazon Linux 2 - Core | php | Pending Fix | ||
| Amazon Linux 2 - Php8.1 Extra | php | 2025-08-04 | ALAS2PHP8.1-2025-007 | Fixed |
| Amazon Linux 2 - Php8.2 Extra | php | 2025-08-04 | ALAS2PHP8.2-2025-008 | Fixed |
| Amazon Linux 2023 | php8.1 | 2025-08-08 | ALAS2023-2025-1087 | Fixed |
| Amazon Linux 2023 | php8.2 | 2025-08-08 | ALAS2023-2025-1088 | Fixed |
| Amazon Linux 2023 | php8.3 | 2025-08-08 | ALAS2023-2025-1114 | Fixed |
| Amazon Linux 2023 | php8.4 | 2025-08-08 | ALAS2023-2025-1113 | Fixed |
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 |
| NVD | CVSSv3 | 5.9 | CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H |