Out-of-bounds Write Affecting libspf2 package, versions <1.2.10-7.1


Severity

Recommended
0.0
critical
0
10

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Threat Intelligence

EPSS
0.35% (72nd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-LIBSPF2-1540387
  • published12 Aug 2021
  • disclosed12 Aug 2021

Introduced: 12 Aug 2021

CVE-2021-20314  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:unstable libspf2 to version 1.2.10-7.1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream libspf2 package and not the libspf2 package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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 Scores

version 3.1