CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
74.4%
A use-after-free in res_pjsip_pubsub.c in Sangoma Asterisk 16.28, 18.14, 19.6, and certified/18.9-cert2 may allow a remote authenticated attacker to crash Asterisk (denial of service) by performing activity on a subscription via a reliable transport at the same time that Asterisk is also performing activity on that subscription.
OS | Version | Architecture | Package | Version | Filename |
---|---|---|---|---|---|
Alpine | edge-main | noarch | asterisk | < 18.15.1-r0 | UNKNOWN |
Alpine | 3.16-main | noarch | asterisk | < 18.20.2-r0 | UNKNOWN |
Alpine | 3.17-main | noarch | asterisk | < 18.15.1-r0 | UNKNOWN |
Alpine | 3.18-main | noarch | asterisk | < 18.15.1-r0 | UNKNOWN |
Alpine | 3.19-main | noarch | asterisk | < 18.15.1-r0 | UNKNOWN |
Alpine | 3.20-main | noarch | asterisk | < 18.15.1-r0 | UNKNOWN |
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
NONE
Integrity Impact
NONE
Availability Impact
HIGH
CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
AI Score
Confidence
High
EPSS
Percentile
74.4%