CVE-2021-33620

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Please try reporting it to the source first.
Source
https://nvd.nist.gov/vuln/detail/CVE-2021-33620
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2021-33620.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2021-33620
Aliases
  • GHSA-572g-rvwr-6c7f
Related
Published
2021-05-28T12:15:07Z
Modified
2024-09-18T03:15:13.256042Z
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

Squid before 4.15 and 5.x before 5.0.6 allows remote servers to cause a denial of service (affecting availability to all clients) via an HTTP response. The issue trigger is a header that can be expected to exist in HTTP traffic without any malicious intent by the server.

References

Affected packages

Alpine:v3.15 / squid

Package

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

Affected ranges

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

Affected versions

2.*

2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6
2.7.6-r7
2.7.6-r8
2.7.6-r9
2.7.6-r10
2.7.6-r11
2.7.6-r12
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.7-r5
2.7.9-r0
2.7.9-r1
2.7.9-r2
2.7.9-r3
2.7.9-r4

3.*

3.2.0.12-r1
3.2.0.12-r2
3.2.0.12-r3
3.2.0.12-r4
3.2.0.13-r0
3.2.0.16-r0
3.2.0.17-r0
3.2.0.17-r1
3.2.0.17-r2
3.2.0.18-r0
3.2.0.18-r1
3.2.0.19-r0
3.2.0.19-r1
3.2.2-r0
3.2.3-r0
3.2.4-r0
3.2.5-r0
3.2.6-r0
3.2.6-r1
3.2.7-r1
3.2.7-r2
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.3.5-r0
3.3.6-r0
3.3.7-r0
3.3.8-r0
3.3.8-r1
3.3.9-r0
3.3.10-r0
3.3.11-r0
3.3.11-r1
3.4.5-r0
3.4.6-r0
3.4.6-r1
3.4.7-r0
3.4.8-r0
3.4.9-r0
3.4.10-r0
3.4.11-r0
3.4.12-r0
3.5.2-r0
3.5.2-r1
3.5.3-r0
3.5.4-r0
3.5.4-r1
3.5.5-r0
3.5.6-r0
3.5.6-r1
3.5.7-r0
3.5.8-r0
3.5.10-r0
3.5.11-r0
3.5.12-r0
3.5.13-r0
3.5.14-r0
3.5.14-r1
3.5.15-r0
3.5.15-r1
3.5.16-r0
3.5.17-r0
3.5.17-r1
3.5.19-r0
3.5.19-r1
3.5.20-r0
3.5.20-r1
3.5.20-r2
3.5.22-r0
3.5.23-r0
3.5.23-r1
3.5.23-r2
3.5.23-r3
3.5.23-r4
3.5.27-r0
3.5.27-r1
3.5.27-r2
3.5.28-r0

4.*

4.2-r0
4.2-r1
4.4-r0
4.4-r1
4.6-r0
4.6-r1
4.8-r0
4.8-r1
4.9-r0
4.10-r0
4.11-r0
4.12-r0
4.13-r0

5.*

5.0.4-r0
5.0.4-r1
5.0.5-r0

Alpine:v3.16 / squid

Package

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

Affected ranges

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

Affected versions

2.*

2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6
2.7.6-r7
2.7.6-r8
2.7.6-r9
2.7.6-r10
2.7.6-r11
2.7.6-r12
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.7-r5
2.7.9-r0
2.7.9-r1
2.7.9-r2
2.7.9-r3
2.7.9-r4

3.*

3.2.0.12-r1
3.2.0.12-r2
3.2.0.12-r3
3.2.0.12-r4
3.2.0.13-r0
3.2.0.16-r0
3.2.0.17-r0
3.2.0.17-r1
3.2.0.17-r2
3.2.0.18-r0
3.2.0.18-r1
3.2.0.19-r0
3.2.0.19-r1
3.2.2-r0
3.2.3-r0
3.2.4-r0
3.2.5-r0
3.2.6-r0
3.2.6-r1
3.2.7-r1
3.2.7-r2
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.3.5-r0
3.3.6-r0
3.3.7-r0
3.3.8-r0
3.3.8-r1
3.3.9-r0
3.3.10-r0
3.3.11-r0
3.3.11-r1
3.4.5-r0
3.4.6-r0
3.4.6-r1
3.4.7-r0
3.4.8-r0
3.4.9-r0
3.4.10-r0
3.4.11-r0
3.4.12-r0
3.5.2-r0
3.5.2-r1
3.5.3-r0
3.5.4-r0
3.5.4-r1
3.5.5-r0
3.5.6-r0
3.5.6-r1
3.5.7-r0
3.5.8-r0
3.5.10-r0
3.5.11-r0
3.5.12-r0
3.5.13-r0
3.5.14-r0
3.5.14-r1
3.5.15-r0
3.5.15-r1
3.5.16-r0
3.5.17-r0
3.5.17-r1
3.5.19-r0
3.5.19-r1
3.5.20-r0
3.5.20-r1
3.5.20-r2
3.5.22-r0
3.5.23-r0
3.5.23-r1
3.5.23-r2
3.5.23-r3
3.5.23-r4
3.5.27-r0
3.5.27-r1
3.5.27-r2
3.5.28-r0

4.*

4.2-r0
4.2-r1
4.4-r0
4.4-r1
4.6-r0
4.6-r1
4.8-r0
4.8-r1
4.9-r0
4.10-r0
4.11-r0
4.12-r0
4.13-r0

5.*

5.0.4-r0
5.0.4-r1
5.0.5-r0

Alpine:v3.17 / squid

Package

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

Affected ranges

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

Affected versions

2.*

2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6
2.7.6-r7
2.7.6-r8
2.7.6-r9
2.7.6-r10
2.7.6-r11
2.7.6-r12
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.7-r5
2.7.9-r0
2.7.9-r1
2.7.9-r2
2.7.9-r3
2.7.9-r4

3.*

3.2.0.12-r1
3.2.0.12-r2
3.2.0.12-r3
3.2.0.12-r4
3.2.0.13-r0
3.2.0.16-r0
3.2.0.17-r0
3.2.0.17-r1
3.2.0.17-r2
3.2.0.18-r0
3.2.0.18-r1
3.2.0.19-r0
3.2.0.19-r1
3.2.2-r0
3.2.3-r0
3.2.4-r0
3.2.5-r0
3.2.6-r0
3.2.6-r1
3.2.7-r1
3.2.7-r2
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.3.5-r0
3.3.6-r0
3.3.7-r0
3.3.8-r0
3.3.8-r1
3.3.9-r0
3.3.10-r0
3.3.11-r0
3.3.11-r1
3.4.5-r0
3.4.6-r0
3.4.6-r1
3.4.7-r0
3.4.8-r0
3.4.9-r0
3.4.10-r0
3.4.11-r0
3.4.12-r0
3.5.2-r0
3.5.2-r1
3.5.3-r0
3.5.4-r0
3.5.4-r1
3.5.5-r0
3.5.6-r0
3.5.6-r1
3.5.7-r0
3.5.8-r0
3.5.10-r0
3.5.11-r0
3.5.12-r0
3.5.13-r0
3.5.14-r0
3.5.14-r1
3.5.15-r0
3.5.15-r1
3.5.16-r0
3.5.17-r0
3.5.17-r1
3.5.19-r0
3.5.19-r1
3.5.20-r0
3.5.20-r1
3.5.20-r2
3.5.22-r0
3.5.23-r0
3.5.23-r1
3.5.23-r2
3.5.23-r3
3.5.23-r4
3.5.27-r0
3.5.27-r1
3.5.27-r2
3.5.28-r0

4.*

4.2-r0
4.2-r1
4.4-r0
4.4-r1
4.6-r0
4.6-r1
4.8-r0
4.8-r1
4.9-r0
4.10-r0
4.11-r0
4.12-r0
4.13-r0

5.*

5.0.4-r0
5.0.4-r1
5.0.5-r0

Alpine:v3.18 / squid

Package

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

Affected ranges

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

Affected versions

2.*

2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6
2.7.6-r7
2.7.6-r8
2.7.6-r9
2.7.6-r10
2.7.6-r11
2.7.6-r12
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.7-r5
2.7.9-r0
2.7.9-r1
2.7.9-r2
2.7.9-r3
2.7.9-r4

3.*

3.2.0.12-r1
3.2.0.12-r2
3.2.0.12-r3
3.2.0.12-r4
3.2.0.13-r0
3.2.0.16-r0
3.2.0.17-r0
3.2.0.17-r1
3.2.0.17-r2
3.2.0.18-r0
3.2.0.18-r1
3.2.0.19-r0
3.2.0.19-r1
3.2.2-r0
3.2.3-r0
3.2.4-r0
3.2.5-r0
3.2.6-r0
3.2.6-r1
3.2.7-r1
3.2.7-r2
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.3.5-r0
3.3.6-r0
3.3.7-r0
3.3.8-r0
3.3.8-r1
3.3.9-r0
3.3.10-r0
3.3.11-r0
3.3.11-r1
3.4.5-r0
3.4.6-r0
3.4.6-r1
3.4.7-r0
3.4.8-r0
3.4.9-r0
3.4.10-r0
3.4.11-r0
3.4.12-r0
3.5.2-r0
3.5.2-r1
3.5.3-r0
3.5.4-r0
3.5.4-r1
3.5.5-r0
3.5.6-r0
3.5.6-r1
3.5.7-r0
3.5.8-r0
3.5.10-r0
3.5.11-r0
3.5.12-r0
3.5.13-r0
3.5.14-r0
3.5.14-r1
3.5.15-r0
3.5.15-r1
3.5.16-r0
3.5.17-r0
3.5.17-r1
3.5.19-r0
3.5.19-r1
3.5.20-r0
3.5.20-r1
3.5.20-r2
3.5.22-r0
3.5.23-r0
3.5.23-r1
3.5.23-r2
3.5.23-r3
3.5.23-r4
3.5.27-r0
3.5.27-r1
3.5.27-r2
3.5.28-r0

4.*

4.2-r0
4.2-r1
4.4-r0
4.4-r1
4.6-r0
4.6-r1
4.8-r0
4.8-r1
4.9-r0
4.10-r0
4.11-r0
4.12-r0
4.13-r0

5.*

5.0.4-r0
5.0.4-r1
5.0.5-r0

Alpine:v3.19 / squid

Package

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

Affected ranges

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

Affected versions

2.*

2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6
2.7.6-r7
2.7.6-r8
2.7.6-r9
2.7.6-r10
2.7.6-r11
2.7.6-r12
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.7-r5
2.7.9-r0
2.7.9-r1
2.7.9-r2
2.7.9-r3
2.7.9-r4

3.*

3.2.0.12-r1
3.2.0.12-r2
3.2.0.12-r3
3.2.0.12-r4
3.2.0.13-r0
3.2.0.16-r0
3.2.0.17-r0
3.2.0.17-r1
3.2.0.17-r2
3.2.0.18-r0
3.2.0.18-r1
3.2.0.19-r0
3.2.0.19-r1
3.2.2-r0
3.2.3-r0
3.2.4-r0
3.2.5-r0
3.2.6-r0
3.2.6-r1
3.2.7-r1
3.2.7-r2
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.3.5-r0
3.3.6-r0
3.3.7-r0
3.3.8-r0
3.3.8-r1
3.3.9-r0
3.3.10-r0
3.3.11-r0
3.3.11-r1
3.4.5-r0
3.4.6-r0
3.4.6-r1
3.4.7-r0
3.4.8-r0
3.4.9-r0
3.4.10-r0
3.4.11-r0
3.4.12-r0
3.5.2-r0
3.5.2-r1
3.5.3-r0
3.5.4-r0
3.5.4-r1
3.5.5-r0
3.5.6-r0
3.5.6-r1
3.5.7-r0
3.5.8-r0
3.5.10-r0
3.5.11-r0
3.5.12-r0
3.5.13-r0
3.5.14-r0
3.5.14-r1
3.5.15-r0
3.5.15-r1
3.5.16-r0
3.5.17-r0
3.5.17-r1
3.5.19-r0
3.5.19-r1
3.5.20-r0
3.5.20-r1
3.5.20-r2
3.5.22-r0
3.5.23-r0
3.5.23-r1
3.5.23-r2
3.5.23-r3
3.5.23-r4
3.5.27-r0
3.5.27-r1
3.5.27-r2
3.5.28-r0

4.*

4.2-r0
4.2-r1
4.4-r0
4.4-r1
4.6-r0
4.6-r1
4.8-r0
4.8-r1
4.9-r0
4.10-r0
4.11-r0
4.12-r0
4.13-r0

5.*

5.0.4-r0
5.0.4-r1
5.0.5-r0

Alpine:v3.20 / squid

Package

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

Affected ranges

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

Affected versions

2.*

2.7.6-r0
2.7.6-r1
2.7.6-r2
2.7.6-r3
2.7.6-r4
2.7.6-r5
2.7.6-r6
2.7.6-r7
2.7.6-r8
2.7.6-r9
2.7.6-r10
2.7.6-r11
2.7.6-r12
2.7.7-r0
2.7.7-r1
2.7.7-r2
2.7.7-r3
2.7.7-r4
2.7.7-r5
2.7.9-r0
2.7.9-r1
2.7.9-r2
2.7.9-r3
2.7.9-r4

3.*

3.2.0.12-r1
3.2.0.12-r2
3.2.0.12-r3
3.2.0.12-r4
3.2.0.13-r0
3.2.0.16-r0
3.2.0.17-r0
3.2.0.17-r1
3.2.0.17-r2
3.2.0.18-r0
3.2.0.18-r1
3.2.0.19-r0
3.2.0.19-r1
3.2.2-r0
3.2.3-r0
3.2.4-r0
3.2.5-r0
3.2.6-r0
3.2.6-r1
3.2.7-r1
3.2.7-r2
3.3.2-r0
3.3.3-r0
3.3.4-r0
3.3.5-r0
3.3.6-r0
3.3.7-r0
3.3.8-r0
3.3.8-r1
3.3.9-r0
3.3.10-r0
3.3.11-r0
3.3.11-r1
3.4.5-r0
3.4.6-r0
3.4.6-r1
3.4.7-r0
3.4.8-r0
3.4.9-r0
3.4.10-r0
3.4.11-r0
3.4.12-r0
3.5.2-r0
3.5.2-r1
3.5.3-r0
3.5.4-r0
3.5.4-r1
3.5.5-r0
3.5.6-r0
3.5.6-r1
3.5.7-r0
3.5.8-r0
3.5.10-r0
3.5.11-r0
3.5.12-r0
3.5.13-r0
3.5.14-r0
3.5.14-r1
3.5.15-r0
3.5.15-r1
3.5.16-r0
3.5.17-r0
3.5.17-r1
3.5.19-r0
3.5.19-r1
3.5.20-r0
3.5.20-r1
3.5.20-r2
3.5.22-r0
3.5.23-r0
3.5.23-r1
3.5.23-r2
3.5.23-r3
3.5.23-r4
3.5.27-r0
3.5.27-r1
3.5.27-r2
3.5.28-r0

4.*

4.2-r0
4.2-r1
4.4-r0
4.4-r1
4.6-r0
4.6-r1
4.8-r0
4.8-r1
4.9-r0
4.10-r0
4.11-r0
4.12-r0
4.13-r0

5.*

5.0.4-r0
5.0.4-r1
5.0.5-r0

Debian:11 / squid

Package

Name
squid
Purl
pkg:deb/debian/squid?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.13-10

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:12 / squid

Package

Name
squid
Purl
pkg:deb/debian/squid?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.13-10

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Debian:13 / squid

Package

Name
squid
Purl
pkg:deb/debian/squid?arch=source

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.13-10

Ecosystem specific 

{
    "urgency": "not yet assigned"
}

Git / github.com/squid-cache/squid

Affected ranges

Type
GIT
Repo
https://github.com/squid-cache/squid
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
648729b05673c6166c5d91c6ee4cda30cc164839

Affected versions

Other

BASIC_TPROXY4
SQUID_3_0_PRE1
SQUID_3_0_PRE2
SQUID_3_0_PRE3
SQUID_3_0_PRE4
SQUID_3_0_PRE5
SQUID_3_0_PRE6
SQUID_3_0_PRE7
SQUID_3_0_RC1
SQUID_4_0_1
SQUID_4_0_10
SQUID_4_0_11
SQUID_4_0_12
SQUID_4_0_13
SQUID_4_0_14
SQUID_4_0_15
SQUID_4_0_16
SQUID_4_0_17
SQUID_4_0_18
SQUID_4_0_19
SQUID_4_0_2
SQUID_4_0_20
SQUID_4_0_21
SQUID_4_0_22
SQUID_4_0_23
SQUID_4_0_24
SQUID_4_0_25
SQUID_4_0_3
SQUID_4_0_4
SQUID_4_0_5
SQUID_4_0_6
SQUID_4_0_7
SQUID_4_0_8
SQUID_4_0_9
SQUID_4_1
SQUID_4_10
SQUID_4_11
SQUID_4_12
SQUID_4_13
SQUID_4_14
SQUID_4_2
SQUID_4_3
SQUID_4_4
SQUID_4_5
SQUID_4_6
SQUID_4_7
SQUID_4_8
SQUID_4_9
for-libecap-v0p1
merge-candidate-3-v1
merge-candidate-3-v2
sourceformat-review-1
take00
take01
take02
take03
take04
take06
take07
take08
take09
take1
take2

BumpSslServerFirst.*

BumpSslServerFirst.take01
BumpSslServerFirst.take02
BumpSslServerFirst.take03
BumpSslServerFirst.take04
BumpSslServerFirst.take05
BumpSslServerFirst.take06
BumpSslServerFirst.take07
BumpSslServerFirst.take08
BumpSslServerFirst.take09
BumpSslServerFirst.take10