UBUNTU-CVE-2015-5400

See a problem?
Please try reporting it to the source first.
Source
https://ubuntu.com/security/CVE-2015-5400
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2015/UBUNTU-CVE-2015-5400.json
JSON Data
https://api.osv.dev/v1/vulns/UBUNTU-CVE-2015-5400
Upstream
Published
2015-09-28T20:59:00Z
Modified
2025-09-08T16:43:26Z
Severity
  • Ubuntu - low
Summary
[none]
Details

Squid before 3.5.6 does not properly handle CONNECT method peer responses when configured with cache_peer, which allows remote attackers to bypass intended restrictions and gain access to a backend proxy via a CONNECT request.

References

Affected packages

Ubuntu:16.04:LTS / squid3

Package

Name
squid3
Purl
pkg:deb/ubuntu/squid3@3.5.12-1ubuntu6?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected
Fixed
3.5.12-1ubuntu6

Affected versions

3.*

3.3.8-1ubuntu16
3.3.8-1ubuntu17

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.5.12-1ubuntu6",
            "binary_name": "squid"
        },
        {
            "binary_version": "3.5.12-1ubuntu6",
            "binary_name": "squid-cgi"
        },
        {
            "binary_version": "3.5.12-1ubuntu6",
            "binary_name": "squid-common"
        },
        {
            "binary_version": "3.5.12-1ubuntu6",
            "binary_name": "squid-purge"
        },
        {
            "binary_version": "3.5.12-1ubuntu6",
            "binary_name": "squid3"
        },
        {
            "binary_version": "3.5.12-1ubuntu6",
            "binary_name": "squidclient"
        }
    ],
    "availability": "No subscription required"
}