Ubuntu 5405-1: jbig2dec vulnerabilities | LinuxSecurity.com
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Ubuntu Security Notice USN-5405-1
May 05, 2022

jbig2dec vulnerabilities
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A security issue affects these releases of Ubuntu and its derivatives:

- Ubuntu 16.04 ESM

Summary:

Several security issues were fixed in jbig2dec.

Software Description:
- jbig2dec: JBIG2 decoder library

Details:

It was discovered that jbig2dec incorrectly handled memory when parsing
invalid files. An attacker could use this issue to cause jbig2dec to 
crash, leading to a denial of service. (CVE-2017-9216)

It was discovered that jbig2dec incorrectly handled memory when 
processing untrusted input. An attacker could use this issue to cause a 
denial of service, or possibly execute arbitrary code. (CVE-2020-12268)

Update instructions:

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

Ubuntu 16.04 ESM:
   jbig2dec                          0.12+20150918-1ubuntu0.1+esm2
   libjbig2dec0                    0.12+20150918-1ubuntu0.1+esm2

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

References:
   https://ubuntu.com/security/notices/USN-5405-1
   CVE-2017-9216, CVE-2020-12268

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