Exploit/Advisories

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Ubuntu Security Notice USN-4436-1
July 27, 2020

librsvg vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 18.04 LTS
- Ubuntu 16.04 LTS

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)

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://usn.ubuntu.com/4436-1
CVE-2017-11464, CVE-2019-20446

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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