8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.017 Low
EPSS
Percentile
87.5%
Tyson Smith and Jed Davis discovered that NSS incorrectly handled memory. A
remote attacker could use this issue to cause NSS to crash, resulting in a
denial of service, or possibly execute arbitrary code.
This update refreshes the NSS package to version 3.23 which includes
the latest CA certificate bundle. As a security improvement, this update
also modifies NSS behaviour to reject DH key sizes below 1024 bits,
preventing a possible downgrade attack.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Ubuntu | 16.04 | noarch | libnss3 | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-1d | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-dbg | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-dbgsym | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-dev | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-nssdb | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-tools | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 16.04 | noarch | libnss3-tools-dbgsym | <ย 2:3.23-0ubuntu0.16.04.1 | UNKNOWN |
Ubuntu | 15.10 | noarch | libnss3 | <ย 2:3.23-0ubuntu0.15.10.1 | UNKNOWN |
Ubuntu | 15.10 | noarch | libnss3-1d | <ย 2:3.23-0ubuntu0.15.10.1 | UNKNOWN |
8.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
9.3 High
CVSS2
Access Vector
NETWORK
Access Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
COMPLETE
Integrity Impact
COMPLETE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:C/I:C/A:C
0.017 Low
EPSS
Percentile
87.5%