ALPINE-CVE-2021-26906

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Source
https://security.alpinelinux.org/vuln/CVE-2021-26906
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-26906
Upstream
Published
2021-02-18T20:15:12Z
Modified
2026-08-27T22:18:01Z
Severity
  • 5.9 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

An issue was discovered in res_pjsip_session.c in Digium Asterisk through 13.38.1; 14.x, 15.x, and 16.x through 16.16.0; 17.x through 17.9.1; and 18.x through 18.2.0, and Certified Asterisk through 16.8-cert5. An SDP negotiation vulnerability in PJSIP allows a remote server to potentially crash Asterisk by sending specific SIP responses that cause an SDP negotiation failure.

References

Affected packages

Alpine:v3.12
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
16.16.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.13
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.14
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.15
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.16
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.17
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.18
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.19
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.20
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.21
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.22
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.23
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"
Alpine:v3.24
asterisk

Package

Name
asterisk
Purl
pkg:apk/alpine/asterisk?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
13.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26906.json"