This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--===============3614060607315961639==
Content-Type: multipart/signed; micalg=pgp-sha512;
 protocol="application/pgp-signature";
 boundary="QMmVWDlDySo1Ivn2G24a8R454tjcxFoan"

This is an OpenPGP/MIME signed message (RFC 4880 and 3156)
--QMmVWDlDySo1Ivn2G24a8R454tjcxFoan
Content-Type: multipart/mixed;
 boundary="QknWZ5NJVeuiHB7rT812z7MJbPfbCSNAO"

--QknWZ5NJVeuiHB7rT812z7MJbPfbCSNAO
Content-Type: text/plain; charset=utf-8
Content-Language: en-U
Content-Transfer-Encoding: quoted-printable

==========================================================================
Ubuntu Security Notice USN-4563-1
October 01, 2020

ntp vulnerability
==========================================================================

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

- Ubuntu 18.04 LTS

Summary:

NTP could be made to crash.

Software Description:
- ntp: Network Time Protocol daemon and utility programs

Details:

It was discovered that the fix for CVE-2018-7182 introduced a NULL
pointer dereference into NTP. An attacker could use this vulnerability
to cause a denial of service (crash).

Update instructions:

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

Ubuntu 18.04 LTS:
  ntp                             1:4.2.8p10+dfsg-5ubuntu7.3
  ntpdate                         1:4.2.8p10+dfsg-5ubuntu7.3
  sntp                            1:4.2.8p10+dfsg-5ubuntu7.3

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

References:
  https://usn.ubuntu.com/4563-1
  CVE-2019-8936

Package Information:
  https://launchpad.net/ubuntu/+source/ntp/1:4.2.8p10+dfsg-5ubuntu7.3


--QknWZ5NJVeuiHB7rT812z7MJbPfbCSNAO--

--QMmVWDlDySo1Ivn2G24a8R454tjcxFoan
Content-Type: application/pgp-signature; name="signature.asc"
Content-Description: OpenPGP digital signature
Content-Disposition: attachment; filename="signature.asc"

-----BEGIN PGP SIGNATURE-----
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=dVvf
-----END PGP SIGNATURE-----

--QMmVWDlDySo1Ivn2G24a8R454tjcxFoan--


--===============3614060607315961639==
Content-Type: text/plain; charset="utf-8"
MIME-Version: 1.0
Content-Transfer-Encoding: base64
Content-Disposition: inline

LS0gCnVidW50dS1zZWN1cml0eS1hbm5vdW5jZSBtYWlsaW5nIGxpc3QKdWJ1bnR1LXNlY3VyaXR5
LWFubm91bmNlQGxpc3RzLnVidW50dS5jb20KTW9kaWZ5IHNldHRpbmdzIG9yIHVuc3Vic2NyaWJl
IGF0OiBodHRwczovL2xpc3RzLnVidW50dS5jb20vbWFpbG1hbi9saXN0aW5mby91YnVudHUtc2Vj
dXJpdHktYW5ub3VuY2UK

--===============3614060607315961639==--