UBUNTU-CVE-2018-18020

In QPDF 8.2.1, in libqpdf/QPDFWriter.cc, QPDFWriter::unparseObject and QPDFWriter::unparseChild have recursive calls for a long time, which allows remote attackers to cause a denial of service via a crafted PDF file.

References

Affected packages

Ubuntu:Pro:16.04:LTS / qpdf

Package

Name: qpdf
Purl: pkg:deb/ubuntu/qpdf@8.0.2-3~16.04.1+esm1?arch=source&distro=esm-infra/xenial

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

8.0.2-3~16.04.1+esm1

Affected versions

5.*

5.1.3-2

5.1.3-3

5.2.0-1

5.2.0-2

6.*

6.0.0-2

8.*

8.0.2-3~16.04.1

Ecosystem specific

{
    "availability": "Available with Ubuntu Pro (Infra-only): https://ubuntu.com/pro",
    "binaries": [
        {
            "binary_version": "8.0.2-3~16.04.1+esm1",
            "binary_name": "libqpdf21"
        },
        {
            "binary_version": "8.0.2-3~16.04.1+esm1",
            "binary_name": "qpdf"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18020.json"

Ubuntu:18.04:LTS / qpdf

Package

Name: qpdf
Purl: pkg:deb/ubuntu/qpdf@8.0.2-3ubuntu0.1?arch=source&distro=bionic

Affected ranges

Type: ECOSYSTEM
Events: Introduced

0Unknown introduced version / All previous versions are affected

Fixed

8.0.2-3ubuntu0.1

Affected versions

7.*

7.0.0-1

7.1.0-1

7.1.1-1

8.*

8.0.0-1

8.0.1-1

8.0.2-1

8.0.2-3

Ecosystem specific

{
    "availability": "No subscription required",
    "binaries": [
        {
            "binary_version": "8.0.2-3ubuntu0.1",
            "binary_name": "libqpdf21"
        },
        {
            "binary_version": "8.0.2-3ubuntu0.1",
            "binary_name": "qpdf"
        }
    ]
}

Database specific

source

"https://github.com/canonical/ubuntu-security-notices/blob/main/osv/cve/2018/UBUNTU-CVE-2018-18020.json"