CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
93.0%
Debian LTS Advisory DLA-2890-1 [email protected]
https://www.debian.org/lts/security/ Thorsten Alteholz
January 21, 2022 https://wiki.debian.org/LTS
Package : libspf2
Version : 1.2.10-7+deb9u2
CVE ID : CVE-2021-33912 CVE-2021-33913
Two issues have been found in libspf2, a library for validating mail
senders with SPF.
Both issues are related to heap-based buffer overflows.
For Debian 9 stretch, these problems have been fixed in version
1.2.10-7+deb9u2.
We recommend that you upgrade your libspf2 packages.
For the detailed security status of libspf2 please refer to
its security tracker page at:
https://security-tracker.debian.org/tracker/libspf2
Further information about Debian LTS security advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://wiki.debian.org/LTS
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
AI Score
Confidence
High
EPSS
Percentile
93.0%