QID 198446

Date Published: 2021-08-03

QID 198446: Ubuntu Security Notification for QPDF vulnerabilities (USN-5026-1)

Qpdf incorrectly handled certain malformed pdf files.

Note: The preceding description block is extracted directly from the security advisory. Using automation, we have attempted to clean and format it as much as possible without introducing additional issues.

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).
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).

  • CVSS V3 rated as Medium - 5.5 severity.
  • CVSS V2 rated as Medium - 4.3 severity.
    • Solution
    Refer to Ubuntu advisory: USN-5026-1 for affected packages and patching details, or update with your package manager.
    Vendor References

    CVEs related to QID 198446

    CVE-2021-36978 | CVE-2018-18020 |
    Software Advisories
    Advisory ID Software Component Link
    USN-5026-1 Ubuntu Linux URL Logo usn.ubuntu.com/5026-1
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