[USN-5405-1] jbig2dec vulnerabilities


========================================================================== Ubuntu Security Notice USN-5405-1 May 05, 2022
jbig2dec vulnerabilities ==========================================================================
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: ubuntu.com/security/notices/USN-5405-1 CVE-2017-9216, CVE-2020-12268