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Ubuntu 18.04 & 16.04: USN-4646-2 Moderate: Poppler Denial Of Service

ubuntu
Calendar Grey November 26, 2020
Dist Ubuntu Esm H88
A regression in Poppler has been noted, influencing several Ubuntu distributions. Users operating on Ubuntu 18.04 LTS and 16.04 LTS are recommended to perform updates.
USN-4646-1 introduced a regression in poppler.

Summary

USN-4646-1 introduced a regression in poppler.

Software Description:

- poppler: PDF rendering library

Details:

USN-4646-1 fixed vulnerabilities in poppler. The fix for CVE-2019-10871

introduced a regression causing certain applications linked against poppler

to fail. This update backs out the fix pending further investigation.

We apologize for the inconvenience.

Original advisory details:

It was discovered that Poppler incorrectly handled certain files. If a user

or automated system were tricked into opening a crafted PDF file, an

attacker could cause a denial of service.

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu poppler

Update Instructions

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

Ubuntu 18.04 LTS:
  libpoppler73                    0.62.0-2ubuntu2.12
  poppler-utils                   0.62.0-2ubuntu2.12

Ubuntu 16.04 LTS:
  libpoppler58                    0.41.0-0ubuntu1.16
  poppler-utils                   0.41.0-0ubuntu1.16

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

References

https://ubuntu.com/security/notices/USN-4646-2

https://ubuntu.com/security/notices/USN-4646-1

https://bugs.launchpad.net/ubuntu/+source/poppler/+bug/1905741

Severity
important
Lowest
Low
Medium
High
Critical

November 26, 2020

Topics%20covered

Topics Covered

security advisory denial of service software update ubuntu poppler

Package Information

https://launchpad.net/ubuntu/+source/poppler/0.62.0-2ubuntu2.12
https://launchpad.net/ubuntu/+source/poppler/0.41.0-0ubuntu1.16

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