VYPR
Critical severity9.8NVD Advisory· Published Aug 12, 2021· Updated Jun 17, 2026

CVE-2021-20314

CVE-2021-20314

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.

AI Insight

LLM-synthesized narrative grounded in this CVE's description and references.

Affected products

13

Patches

Vulnerability mechanics

References

5

News mentions

0

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