ALPINE-CVE-2021-36740

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Please try reporting it to the source first.
Source
https://security.alpinelinux.org/vuln/CVE-2021-36740
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json
JSON Data
https://api.test.osv.dev/v1/vulns/ALPINE-CVE-2021-36740
Upstream
Published
2021-07-14T17:15:08.253Z
Modified
2025-12-03T22:45:35.559069Z
Severity
  • 6.5 (Medium) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:N CVSS Calculator
Summary
[none]
Details

Varnish Cache, with HTTP/2 enabled, allows request smuggling and VCL authorization bypass via a large Content-Length header for a POST request. This affects Varnish Enterprise 6.0.x before 6.0.8r3, and Varnish Cache 5.x and 6.x before 6.5.2, 6.6.x before 6.6.1, and 6.0 LTS before 6.0.8.

References

Affected packages

Alpine:v3.11
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.12
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.13
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.5.2-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.14
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.15
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.16
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.17
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.18
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.19
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.20
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.21
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.22
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"
Alpine:v3.23
varnish

Package

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

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
6.6.1-r0

Affected versions

2.*
2.1.5-r0
3.*
3.0.0-r0
3.0.0-r1
3.0.0-r2
3.0.2-r0
3.0.2-r1
3.0.2-r2
3.0.2-r3
3.0.2-r4
3.0.2-r5
3.0.2-r6
3.0.2-r7
3.0.3-r0
3.0.3-r1
3.0.3-r2
3.0.4-r0
3.0.4-r1
3.0.4-r2
3.0.4-r3
3.0.4-r4
3.0.5-r0
3.0.5-r1
4.*
4.0.0-r0
4.0.0-r1
4.0.0-r2
4.0.1-r0
4.0.2-r0
4.0.2-r1
4.0.2-r2
4.0.3-r0
4.0.3-r1
4.1.0-r0
4.1.0-r1
4.1.0-r2
4.1.1-r0
4.1.2-r0
4.1.2-r1
4.1.2-r2
4.1.2-r3
4.1.3-r0
5.*
5.1.2-r0
5.1.2-r1
5.1.3-r0
5.2.0-r0
5.2.1-r0
6.*
6.0.0-r0
6.0.0-r1
6.0.1-r0
6.1.0-r0
6.1.1-r0
6.2.0-r0
6.2.0-r1
6.2.1-r0
6.3.0-r0
6.3.1-r0
6.3.1-r1
6.3.2-r0
6.4.0-r0
6.5.1-r0
6.6.0-r0

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/alpine/ALPINE-CVE-2021-36740.json"