USN-5026-2: QPDF vulnerabilities
2 August 2021
Several security issues were fixed in QPDF.
Releases
Packages
- qpdf - tools for transforming and inspecting PDF files
Details
USN-5026-1 fixed several vulnerabilities in QPDF. This update provides
the corresponding update for Ubuntu 16.04 ESM.
Original advisory 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. (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 16.04
-
libqpdf21
-
8.0.2-3~16.04.1+esm1
Available with Ubuntu Pro
-
qpdf
-
8.0.2-3~16.04.1+esm1
Available with Ubuntu Pro
In general, a standard system update will make all the necessary changes.