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Ubuntu Security Notice USN-5768-1 ≈ Mobile Hacker For Hire

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Ubuntu Security Notice USN-5768-1
December 08, 2022

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

– Ubuntu 16.04 ESM


Several security issues were fixed in GNU C Library.

Software Description:
– glibc: GNU C Library


Jan Engelhardt, Tavis Ormandy, and others discovered that the GNU C Library
iconv feature incorrectly handled certain input sequences. An attacker
could possibly use this issue to cause the GNU C Library to hang or crash,
resulting in a denial of service. (CVE-2016-10228, CVE-2019-25013,

It was discovered that the GNU C Library did not properly handled DNS
responses when ENDS0 is enabled. An attacker could possibly use this issue
to cause fragmentation-based attacks. (CVE-2017-12132)

Update instructions:

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

Ubuntu 16.04 ESM:
libc6 2.23-0ubuntu11.3+esm3

After a standard system update you need to reboot your computer to make
all the necessary changes.

CVE-2016-10228, CVE-2017-12132, CVE-2019-25013, CVE-2020-27618

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