CVE-2021-20314

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Summary

CVECVE-2021-20314
StatePUBLIC
Assigner[email protected]
Source PriorityCVE Program / NVD first with legacy fallback
Published2021-08-12 15:15:00 UTC
Updated2024-01-15 17:15:00 UTC
DescriptionStack 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.

Risk And Classification

Problem Types: CWE-787

NVD Known Affected Configurations (CPE 2.3)

TypeVendorProductVersionUpdateEditionLanguage
Operating System Fedoraproject Fedora 33 All All All
Operating System Fedoraproject Fedora 34 All All All
Operating System Fedoraproject Fedora 35 All All All
Application Libspf2 Libspf2 All All All All
Operating System Redhat Enterprise Linux 7.0 All All All

References

ReferenceSourceLinkTags
[SECURITY] Fedora 35 Update: libspf2-1.2.11-1.20210922git4915c308.fc35 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 35 Update: libspf2-1.2.11-1.20210922git4915c308.fc35 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: libspf2-1.2.11-1.20210922git4915c308.fc33 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 34 Update: libspf2-1.2.11-1.20210922git4915c308.fc34 - package-announce - Fedora Mailing-Lists MISC lists.fedoraproject.org
[SECURITY] Fedora 34 Update: libspf2-1.2.11-1.20210922git4915c308.fc34 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
[SECURITY] Fedora 33 Update: libspf2-1.2.11-1.20210922git4915c308.fc33 - package-announce - Fedora Mailing-Lists FEDORA lists.fedoraproject.org
1993070 – (CVE-2021-20314) CVE-2021-20314 libspf2: stack buffer overflow when processing SPF explanation macros MISC bugzilla.redhat.com
libspf2: Multiple vulnerabilities (GLSA 202401-22) — Gentoo security security.gentoo.org
CVE Program record CVE.ORG www.cve.org canonical
NVD vulnerability detail NVD nvd.nist.gov canonical, analysis

Legacy QID Mappings

  • 178753 Debian Security Update for libspf2 (DSA 4955-1)
  • 178756 Debian Security Update for libspf2 (DLA 2739-1)
  • 179606 Debian Security Update for libspf2 (CVE-2021-20314)
  • 200049 Ubuntu Security Notification for Libspf2 Vulnerabilities (USN-6584-1)
  • 281944 Fedora Security Update for libspf2 (FEDORA-2021-994751581f)
  • 281945 Fedora Security Update for libspf2 (FEDORA-2021-044be3d54e)
  • 500317 Alpine Linux Security Update for libspf2
  • 504084 Alpine Linux Security Update for libspf2
  • 710839 Gentoo Linux libspf2 Multiple Vulnerabilities (GLSA 202401-22)
  • 751051 OpenSUSE Security Update for libspf2 (openSUSE-SU-2021:1187-1)

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