7.8 High
CVSS2
Access Vector
NETWORK
Access Complexity
LOW
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:L/Au:N/C:N/I:N/A:C
0.086 Low
EPSS
Percentile
94.4%
libs/comverp.c in Courier MTA before 0.53.2 allows attackers to cause a denial of service (CPU consumption) via unknown vectors involving usernames that contain the “=” (equals) character, which is not properly handled during encoding.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | courier | < 0.53.2-1 | courier_0.53.2-1_all.deb |
Debian | 11 | all | courier | < 0.53.2-1 | courier_0.53.2-1_all.deb |
Debian | 10 | all | courier | < 0.53.2-1 | courier_0.53.2-1_all.deb |
Debian | 999 | all | courier | < 0.53.2-1 | courier_0.53.2-1_all.deb |