Debian Security Bug TrackerDEBIANCVE:CVE-2021-44758CVE-2021-44758
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
0.001 Low
EPSS
Percentile
36.9%
Heimdal before 7.7.1 allows attackers to cause a NULL pointer dereference in a SPNEGO acceptor via a preferred_mech_type of GSS_C_NO_OID and a nonzero initial_response value to send_accept.
| OS | Version | Architecture | Package | Version | Filename |
|---|---|---|---|---|---|
| Debian | 12 | all | heimdal | < 7.8.git20221115.a6cf945+dfsg-1 | heimdal_7.8.git20221115.a6cf945+dfsg-1_all.deb |
| Debian | 11 | all | heimdal | < 7.7.0+dfsg-2+deb11u2 | heimdal_7.7.0+dfsg-2+deb11u2_all.deb |
| Debian | 10 | all | heimdal | < 7.5.0+dfsg-3+deb10u1 | heimdal_7.5.0+dfsg-3+deb10u1_all.deb |
| Debian | 999 | all | heimdal | < 7.8.git20221115.a6cf945+dfsg-1 | heimdal_7.8.git20221115.a6cf945+dfsg-1_all.deb |
| Debian | 13 | all | heimdal | < 7.8.git20221115.a6cf945+dfsg-1 | heimdal_7.8.git20221115.a6cf945+dfsg-1_all.deb |
Related
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
0.001 Low
EPSS
Percentile
36.9%