7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P
Debian Security Advisory DSA-4591-1 [email protected]
https://www.debian.org/security/ Salvatore Bonaccorso
December 20, 2019 https://www.debian.org/security/faq
Package : cyrus-sasl2
CVE ID : CVE-2019-19906
Debian Bug : 947043
Stephan Zeisberg reported an out-of-bounds write vulnerability in the
_sasl_add_string() function in cyrus-sasl2, a library implementing the
Simple Authentication and Security Layer. A remote attacker can take
advantage of this issue to cause denial-of-service conditions for
applications using the library.
For the oldstable distribution (stretch), this problem has been fixed
in version 2.1.27~101-g0780600+dfsg-3+deb9u1.
For the stable distribution (buster), this problem has been fixed in
version 2.1.27+dfsg-1+deb10u1.
We recommend that you upgrade your cyrus-sasl2 packages.
For the detailed security status of cyrus-sasl2 please refer to its
security tracker page at:
https://security-tracker.debian.org/tracker/cyrus-sasl2
Further information about Debian Security Advisories, how to apply
these updates to your system and frequently asked questions can be
found at: https://www.debian.org/security/
Mailing list: [email protected]
7.5 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
5 Medium
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:N/I:N/A:P