Feed/CVE-2021-20314
CVE-2021-20314CRITICALCVSS 9.8

CVE-2021-20314

Published Aug 12, 2021·Updated Jun 16, 2026

NVD Description

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 Vector

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

References

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