UBUNTU-CVE-2018-6340

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Source
https://ubuntu.com/security/CVE-2018-6340
Import Source
https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6340.json
JSON Data
https://api.test.osv.dev/v1/vulns/UBUNTU-CVE-2018-6340
Upstream
Published
2018-12-31T22:29:00Z
Modified
2025-10-24T04:46:54Z
Severity
  • 8.1 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • 8.1 (High) CVSS_V3 - CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
  • Ubuntu - low
Summary
[none]
Details

The Memcache::getextendedstats function can be used to trigger an out-of-bounds read. Exploiting this issue requires control over memcached server hostnames and/or ports. This affects all supported versions of HHVM (3.30 and 3.27.4 and below).

References

Affected packages

Ubuntu:16.04:LTS / hhvm

Package

Name
hhvm
Purl
pkg:deb/ubuntu/hhvm@3.11.1+dfsg-1ubuntu1?arch=source&distro=xenial

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.11.0+dfsg-1
3.11.1+dfsg-1
3.11.1+dfsg-1ubuntu1

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.11.1+dfsg-1ubuntu1",
            "binary_name": "hhvm"
        },
        {
            "binary_version": "3.11.1+dfsg-1ubuntu1",
            "binary_name": "hhvm-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6340.json"

Ubuntu:18.04:LTS / hhvm

Package

Name
hhvm
Purl
pkg:deb/ubuntu/hhvm@3.21.0+dfsg-2ubuntu2?arch=source&distro=bionic

Affected ranges

Type
ECOSYSTEM
Events
Introduced
0Unknown introduced version / All previous versions are affected

Affected versions

3.*
3.21.0+dfsg-2
3.21.0+dfsg-2build1
3.21.0+dfsg-2build2
3.21.0+dfsg-2build3
3.21.0+dfsg-2ubuntu2

Ecosystem specific 

{
    "binaries": [
        {
            "binary_version": "3.21.0+dfsg-2ubuntu2",
            "binary_name": "hhvm"
        },
        {
            "binary_version": "3.21.0+dfsg-2ubuntu2",
            "binary_name": "hhvm-dev"
        }
    ]
}

Database specific

source 
"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-6340.json"