5 Medium
CVSS2
Attack Vector
NETWORK
Attack 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
0.129 Low
EPSS
Percentile
95.5%
The DNS map code in Sendmail 8.12.8 and earlier, when using the “enhdnsbl” feature, does not properly initialize certain data structures, which allows remote attackers to cause a denial of service (process crash) via an invalid DNS response that causes Sendmail to free incorrect data.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | sendmail | < 8.12.9 | sendmail_8.12.9_all.deb |
Debian | 11 | all | sendmail | < 8.12.9 | sendmail_8.12.9_all.deb |
Debian | 999 | all | sendmail | < 8.12.9 | sendmail_8.12.9_all.deb |
Debian | 13 | all | sendmail | < 8.12.9 | sendmail_8.12.9_all.deb |