UBUNTU-CVE-2016-4556

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Source
https://ubuntu.com/security/CVE-2016-4556
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2016/UBUNTU-CVE-2016-4556.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2016-4556
Upstream
Downstream
Related
Published
2016-05-10T00:00:00Z
Modified
2025-09-08T16:43:45Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
  • Ubuntu - medium
Summary
[none]
Details

Double free vulnerability in Esi.cc in Squid 3.x before 3.5.18 and 4.x before 4.0.10 allows remote servers to cause a denial of service (crash) via a crafted Edge Side Includes (ESI) response.

References

Affected packages

Ubuntu:14.04:LTS / squid3

Package

Name
squid3
Purl
pkg:deb/ubuntu/squid3@3.3.8-1ubuntu6.8?arch=source&distro=trusty

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.3.8-1ubuntu6.8

Affected versions

3.*

3.3.8-1ubuntu3
3.3.8-1ubuntu4
3.3.8-1ubuntu5
3.3.8-1ubuntu6
3.3.8-1ubuntu6.1
3.3.8-1ubuntu6.2
3.3.8-1ubuntu6.3
3.3.8-1ubuntu6.4
3.3.8-1ubuntu6.6

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "squid",
            "binary_version": "3.3.8-1ubuntu6.8"
        },
        {
            "binary_name": "squid-cgi",
            "binary_version": "3.3.8-1ubuntu6.8"
        },
        {
            "binary_name": "squid-purge",
            "binary_version": "3.3.8-1ubuntu6.8"
        },
        {
            "binary_name": "squid3",
            "binary_version": "3.3.8-1ubuntu6.8"
        },
        {
            "binary_name": "squid3-common",
            "binary_version": "3.3.8-1ubuntu6.8"
        },
        {
            "binary_name": "squidclient",
            "binary_version": "3.3.8-1ubuntu6.8"
        }
    ]
}

Ubuntu:16.04:LTS / squid3

Package

Name
squid3
Purl
pkg:deb/ubuntu/squid3@3.5.12-1ubuntu7.2?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.12-1ubuntu7.2

Affected versions

3.*

3.3.8-1ubuntu16
3.3.8-1ubuntu17
3.5.12-1ubuntu6
3.5.12-1ubuntu7
3.5.12-1ubuntu7.1

Ecosystem specific 

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_name": "squid",
            "binary_version": "3.5.12-1ubuntu7.2"
        },
        {
            "binary_name": "squid-cgi",
            "binary_version": "3.5.12-1ubuntu7.2"
        },
        {
            "binary_name": "squid-common",
            "binary_version": "3.5.12-1ubuntu7.2"
        },
        {
            "binary_name": "squid-purge",
            "binary_version": "3.5.12-1ubuntu7.2"
        },
        {
            "binary_name": "squid3",
            "binary_version": "3.5.12-1ubuntu7.2"
        },
        {
            "binary_name": "squidclient",
            "binary_version": "3.5.12-1ubuntu7.2"
        }
    ]
}