vulnerability
Ubuntu: (Multiple Advisories) (CVE-2021-20314): Libspf2 vulnerabilities
| Severity | CVSS | Published | Added | Modified |
|---|---|---|---|---|
| 8 | (AV:N/AC:L/Au:N/C:P/I:P/A:P) | Aug 12, 2021 | Jan 16, 2024 | Aug 18, 2025 |
Severity
8
CVSS
(AV:N/AC:L/Au:N/C:P/I:P/A:P)
Published
Aug 12, 2021
Added
Jan 16, 2024
Modified
Aug 18, 2025
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.
Solutions
ubuntu-pro-upgrade-libmail-spf-xs-perlubuntu-pro-upgrade-libspf2-2ubuntu-pro-upgrade-libspf2-devubuntu-pro-upgrade-spfquery
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