ALPINE-CVE-2021-26713

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Source
https://security.alpinelinux.org/vuln/CVE-2021-26713
Import Source
https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json
JSON Data
https://api.osv.dev/v1/vulns/ALPINE-CVE-2021-26713
Upstream
Published
2021-02-19T20:15:13Z
Modified
2026-08-27T22:18:01Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
[none]
Details

A stack-based buffer overflow in res_rtp_asterisk.c in Sangoma Asterisk before 16.16.1, 17.x before 17.9.2, and 18.x before 18.2.1 and Certified Asterisk before 16.8-cert6 allows an authenticated WebRTC client to cause an Asterisk crash by sending multiple hold/unhold requests in quick succession. This is caused by a signedness comparison mismatch.

References

Affected packages

Alpine:v3.12
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
16.16.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.13
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.14
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.15
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.16
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.17
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.18
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.19
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.20
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.21
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.22
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.23
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"
Alpine:v3.24
asterisk

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
16.0.0
Fixed
18.2.1-r0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/alpine/ALPINE-CVE-2021-26713.json"