UBUNTU-CVE-2020-8450

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2020-8450
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2020/UBUNTU-CVE-2020-8450.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2020-8450
Upstream
Downstream
Related
Published
2020-02-04T20:15:00Z
Modified
2025-09-08T16:45:59Z
Severity
  • 7.3 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:L/A:L CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

An issue was discovered in Squid before 4.10. Due to incorrect buffer management, a remote client can cause a buffer overflow in a Squid instance acting as a reverse proxy.

References

Affected packages

Ubuntu:16.04:LTS / squid3

Package

Name
squid3
Purl
pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.10?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.12-1ubuntu7.10

Affected versions

3.*

3.3.8-1ubuntu16
3.3.8-1ubuntu17
3.5.12-1ubuntu6
3.5.12-1ubuntu7
3.5.12-1ubuntu7.1
3.5.12-1ubuntu7.2
3.5.12-1ubuntu7.3
3.5.12-1ubuntu7.4
3.5.12-1ubuntu7.5
3.5.12-1ubuntu7.6
3.5.12-1ubuntu7.7
3.5.12-1ubuntu7.8
3.5.12-1ubuntu7.9

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "squid",
            "binary_version": "3.5.12-1ubuntu7.10"
        },
        {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.12-1ubuntu7.10"
        },
        {
            "binary_name": "squid-common",
            "binary_version": "3.5.12-1ubuntu7.10"
        },
        {
            "binary_name": "squid-purge",
            "binary_version": "3.5.12-1ubuntu7.10"
        },
        {
            "binary_name": "squid3",
            "binary_version": "3.5.12-1ubuntu7.10"
        },
        {
            "binary_name": "squidclient",
            "binary_version": "3.5.12-1ubuntu7.10"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:18.04:LTS / squid3

Package

Name
squid3
Purl
pkg:deb/ubuntu/squid3@3.5.27-1ubuntu1.5?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.27-1ubuntu1.5

Affected versions

3.*

3.5.23-5ubuntu1
3.5.23-5ubuntu2
3.5.27-1ubuntu1
3.5.27-1ubuntu1.1
3.5.27-1ubuntu1.2
3.5.27-1ubuntu1.3
3.5.27-1ubuntu1.4

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "squid",
            "binary_version": "3.5.27-1ubuntu1.5"
        },
        {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.27-1ubuntu1.5"
        },
        {
            "binary_name": "squid-common",
            "binary_version": "3.5.27-1ubuntu1.5"
        },
        {
            "binary_name": "squid-purge",
            "binary_version": "3.5.27-1ubuntu1.5"
        },
        {
            "binary_name": "squid3",
            "binary_version": "3.5.27-1ubuntu1.5"
        },
        {
            "binary_name": "squidclient",
            "binary_version": "3.5.27-1ubuntu1.5"
        }
    ],
    "availability": "No subscription required"
}

Ubuntu:20.04:LTS / squid

Package

Name
squid
Purl
pkg:deb/ubuntu/squid@4.9-2ubuntu4?arch=source&distro=focal

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
4.9-2ubuntu4

Affected versions

4.*

4.8-1ubuntu2
4.8-1ubuntu3
4.9-2ubuntu1
4.9-2ubuntu2
4.9-2ubuntu3

Ecosystem specific 

{
    "binaries": [
        {
            "binary_name": "squid",
            "binary_version": "4.9-2ubuntu4"
        },
        {
            "binary_name": "squid-cgi",
            "binary_version": "4.9-2ubuntu4"
        },
        {
            "binary_name": "squid-common",
            "binary_version": "4.9-2ubuntu4"
        },
        {
            "binary_name": "squid-purge",
            "binary_version": "4.9-2ubuntu4"
        },
        {
            "binary_name": "squid3",
            "binary_version": "4.9-2ubuntu4"
        },
        {
            "binary_name": "squidclient",
            "binary_version": "4.9-2ubuntu4"
        }
    ],
    "availability": "No subscription required"
}