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Ubuntu Security Notice USN-4326-1
April 08, 2020

libiberty 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:

Several security issues were fixed in libiberty.

Software Description:
– libiberty: library of utility functions used by GNU programs

Details:

It was discovered that libiberty incorrectly handled parsing certain
binaries. If a user or automated system were tricked into processing a
specially crafted binary, a remote attacker could use this issue to cause
libiberty to crash, resulting in a denial of service, or possibly execute
arbitrary code

Update instructions:

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

Ubuntu 18.04 LTS:
libiberty-dev 20170913-1ubuntu0.1

Ubuntu 16.04 LTS:
libiberty-dev 20160215-1ubuntu0.3

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

References:
https://usn.ubuntu.com/4326-1
CVE-2018-12641, CVE-2018-12697, CVE-2018-12698, CVE-2018-12934,
CVE-2018-17794, CVE-2018-17985, CVE-2018-18483, CVE-2018-18484,
CVE-2018-18700, CVE-2018-18701, CVE-2018-9138, CVE-2019-14250,
CVE-2019-9070, CVE-2019-9071

Package Information:
https://launchpad.net/ubuntu/+source/libiberty/20170913-1ubuntu0.1
https://launchpad.net/ubuntu/+source/libiberty/20160215-1ubuntu0.3

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