7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.5 High
AI Score
Confidence
High
0.013 Low
EPSS
Percentile
85.8%
Squid before 4.13 and 5.x before 5.0.4 allows a trusted peer to perform Denial of Service by consuming all available CPU cycles during handling of a crafted Cache Digest response message. This only occurs when cache_peer is used with the cache digests feature. The problem exists because peerDigestHandleReply() livelocking in peer_digest.cc mishandles EOF.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Alpine | edge-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
Alpine | 3.10-main | noarch | squid | < 4.13-r0 | UNKNOWN |
Alpine | 3.11-main | noarch | squid | < 4.13-r0 | UNKNOWN |
Alpine | 3.12-main | noarch | squid | < 4.13-r0 | UNKNOWN |
Alpine | 3.13-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
Alpine | 3.14-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
Alpine | 3.15-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
Alpine | 3.16-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
Alpine | 3.17-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
Alpine | 3.18-main | noarch | squid | < 4.13.0-r0 | UNKNOWN |
7.1 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
MEDIUM
Authentication
NONE
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
COMPLETE
AV:N/AC:M/Au:N/C:N/I:N/A:C
8.6 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
CHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H
7.5 High
AI Score
Confidence
High
0.013 Low
EPSS
Percentile
85.8%