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Ubuntu Security Notice USN-5405-1

Ubuntu Security Notice USN-5405-1
Posted May 6, 2022
Authored by Ubuntu | Site security.ubuntu.com

Ubuntu Security Notice 5405-1 - 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. 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.

tags | advisory, denial of service, arbitrary
systems | linux, ubuntu
advisories | CVE-2017-9216, CVE-2020-12268
SHA-256 | 585a00dfdb450215a47b5332813f8fe580f3b4f4651011d185182a757f42f421

Ubuntu Security Notice USN-5405-1

Change Mirror Download
==========================================================================
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:
https://ubuntu.com/security/notices/USN-5405-1
CVE-2017-9216, CVE-2020-12268
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