USN-6508-1: poppler vulnerabilities

Releases

• Ubuntu 22.04 LTS
• Ubuntu 20.04 LTS
• Ubuntu 18.04 ESM
• Ubuntu 16.04 ESM

Packages

• poppler - PDF rendering library

Details

It was discovered that poppler incorrectly handled certain malformed PDF
files. If a user or an automated system were tricked into opening a
specially crafted PDF file, a remote attacker could possibly use this
issue to cause a denial of service. This issue only affected Ubuntu 16.04
LTS, Ubuntu 18.04 LTS and Ubuntu 20.04 LTS. (CVE-2020-23804)

It was discovered that poppler incorrectly handled certain malformed PDF
files. If a user or an automated system were tricked into opening a
specially crafted PDF file, a remote attacker could possibly use this
issue to cause a denial of service. (CVE-2022-37050, CVE-2022-37051,
CVE-2022-37052, CVE-2022-38349)

Update instructions

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

Ubuntu 22.04

• libpoppler118 - 22.02.0-2ubuntu0.3
• poppler-utils - 22.02.0-2ubuntu0.3

Ubuntu 20.04

• libpoppler97 - 0.86.1-0ubuntu1.4
• poppler-utils - 0.86.1-0ubuntu1.4

Ubuntu 18.04

• libpoppler73 - 0.62.0-2ubuntu2.14+esm2
  Available with Ubuntu Pro
• poppler-utils - 0.62.0-2ubuntu2.14+esm2
  Available with Ubuntu Pro

Ubuntu 16.04

• libpoppler58 - 0.41.0-0ubuntu1.16+esm4
  Available with Ubuntu Pro
• poppler-utils - 0.41.0-0ubuntu1.16+esm4
  Available with Ubuntu Pro

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

References

• CVE-2022-37051
• CVE-2020-23804
• CVE-2022-38349
• CVE-2022-37050
• CVE-2022-37052