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Ubuntu 18.04 & 16.04: USN-4436-1 Critical Librsvg Denial of Service

ubuntu
Calendar Grey July 27, 2020
Dist Ubuntu Esm H88
Recent vulnerabilities in Librsvg identified on July 27, 2020, pose risks for supported versions of Ubuntu, which may result in unexpected crashes.
librsvg could be made to crash if it opened a specially crafted file.

Summary

librsvg could be made to crash if it opened a specially crafted file.

Software Description:

- librsvg: renderer library for SVG files

Details:

It was discovered that librsvg incorrectly handled parsing certain SVG

files. A remote attacker could possibly use this issue to cause librsvg to

crash, resulting in a denial of service. This issue only affected Ubuntu

16.04 LTS. (CVE-2017-11464)

It was discovered that librsvg incorrectly handled parsing certain SVG

files with nested patterns. A remote attacker could possibly use this issue

to cause librsvg to consume resources and crash, resulting in a denial of

service. (CVE-2019-20446)

Topics%20covered

Topics Covered

security advisory denial of service ubuntu attack vector crash librsvg SVG parsing

Update Instructions

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

Ubuntu 18.04 LTS:
  librsvg2-2                      2.40.20-2ubuntu0.1

Ubuntu 16.04 LTS:
  librsvg2-2                      2.40.13-3ubuntu0.1

After a standard system update you need to restart your session to make all
the necessary changes.

References

https://ubuntu.com/security/notices/USN-4436-1

CVE-2017-11464, CVE-2019-20446

Severity
critical
Lowest
Low
Medium
High
Critical

July 27, 2020

Topics%20covered

Topics Covered

security advisory denial of service ubuntu attack vector crash librsvg SVG parsing

Package Information

https://launchpad.net/ubuntu/+source/librsvg/2.40.20-2ubuntu0.1
https://launchpad.net/ubuntu/+source/librsvg/2.40.13-3ubuntu0.1

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