Stack buffer overflow in libspf2 versions below 1.2.11 when processing certain SPF macros can lead to Denial of service and potentially code execution via malicious crafted SPF explanation messages.
CVSS 3.x
| Source | Score | Severity | Vector | Exploitability | Impact |
|---|---|---|---|---|---|
| nvd@nist.gov | 9.8 | CRITICAL | CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H | 3.9 | 5.9 |
CVSS 2.0
Severity: HIGH
Problem Type: CWE-787,
Products Affected
| Vendor | Product | Version |
|---|---|---|
| fedoraproject | fedora | 35 |
| fedoraproject | fedora | 34 |
| redhat | enterprise_linux | 7.0 |
| fedoraproject | fedora | 33 |
| libspf2 | libspf2 | * |