CVE-2021-20314
- Source
- https://cve.org/CVERecord?id=CVE-2021-20314
- Import Source
- https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2021-20314.json
- JSON Data
- https://api.test.osv.dev/v1/vulns/CVE-2021-20314
- Downstream
- Related
- Published
- 2021-08-12T15:15:07.657Z
- Modified
- 2026-02-11T08:15:10.808794Z
- Severity
-
- 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
- Summary
- [none]
- Details
-
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.
- References
-
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/CMSFT2NJDZ7PATRZSQPAOGSE7JD6ELOB/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/GFXJRHPE5OSCPTNA3ZZ4ORDHT4JQH3Y4/
- https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/Y6T4HYXXSUQCGJB2ES6X7Q74YYF7V7XU/
- https://bugzilla.redhat.com/show_bug.cgi?id=1993070
- https://security.gentoo.org/glsa/202401-22
- https://bugzilla.redhat.com/show_bug.cgi?id=1993070
- https://bugzilla.redhat.com/show_bug.cgi?id=1993070
Affected packages
Git / gitlab.com/wireshark/wireshark
Affected ranges
- Type
- GIT
- Repo
- https://gitlab.com/wireshark/wireshark
- Events
-
Introduced0 Unknown introduced commit / All previous commits are affectedFixed