CVE-2021-20314 (GCVE-0-2021-20314)

Vulnerability from cvelistv5 – Published: 2021-08-12 14:37 – Updated: 2025-02-13 16:27
VLAI?
Summary
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.
Severity ?
No CVSS data available.
CWE
  • stack buffer overflow
Assigner
References
Impacted products
Vendor Product Version
n/a libspf2 Affected: 1.2.11
Show details on NVD website
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  }
}


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Sightings

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Nomenclature

  • Seen: The vulnerability was mentioned, discussed, or observed by the user.
  • Confirmed: The vulnerability has been validated from an analyst's perspective.
  • Published Proof of Concept: A public proof of concept is available for this vulnerability.
  • Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
  • Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
  • Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
  • Not confirmed: The user expressed doubt about the validity of the vulnerability.
  • Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.



Detection rules are retrieved from Rulezet.