USN-5026-1: QPDF vulnerabilities

29 July 2021

Several security issues were fixed in QPDF.

Releases

Packages

  • qpdf - tools for transforming and inspecting PDF files

Details

It was discovered that QPDF incorrectly handled certain malformed PDF
files. A remote attacker could use this issue to cause QPDF to consume
resources, resulting in a denial of service. This issue only affected
Ubuntu 18.04 LTS. (CVE-2018-18020)

It was discovered that QPDF incorrectly handled certain malformed PDF
files. A remote attacker could use this issue to cause QPDF to crash,
resulting in a denial of service, or possibly execute arbitrary code.
(CVE-2021-36978)

Update instructions

The problem can be corrected by updating your system to the following package versions:

Ubuntu 20.04
Ubuntu 18.04

In general, a standard system update will make all the necessary changes.

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