4.3 Medium
CVSS2
Access Vector
Access Complexity
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
PARTIAL
AV:N/AC:M/Au:N/C:N/I:N/A:P
0.021 Low
EPSS
Percentile
89.3%
Integer overflow in the terminal emulator in PuTTY before 0.66 allows remote attackers to cause a denial of service (memory corruption) or possibly execute arbitrary code via an ECH (erase characters) escape sequence with a large parameter value, which triggers a buffer underflow.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Debian | 12 | all | putty | < 0.66-1 | putty_0.66-1_all.deb |
Debian | 11 | all | putty | < 0.66-1 | putty_0.66-1_all.deb |
Debian | 10 | all | putty | < 0.66-1 | putty_0.66-1_all.deb |
Debian | 999 | all | putty | < 0.66-1 | putty_0.66-1_all.deb |
Debian | 13 | all | putty | < 0.66-1 | putty_0.66-1_all.deb |