CVE-2020-14355

Name: CVE-2020-14355
Creator: NVD / NIST
Published: 2020-10-07T15:15:12.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

MEDIUMCVSS 6.6/10EPSS 2.54%

Last modified Jun 17, 2026

CVE-2020-14355 is a medium-severity vulnerability rated 6.6/10 on the CVSS scale. Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. EPSS estimates a 2.54% chance of exploitation in the next 30 days.

Description

Multiple buffer overflow vulnerabilities were found in the QUIC image decoding process of the SPICE remote display system, before spice-0.14.2-1. Both the SPICE client (spice-gtk) and server are affected by these flaws. These flaws allow a malicious client or server to send specially crafted messages that, when processed by the QUIC image compression algorithm, result in a process crash or potential code execution.

Metrics

CVSS 3.1

6.6/10

CVSS:3.1/AV:N/AC:L/PR:H/UI:N/S:C/C:L/I:L/A:L

EPSS Probability

2.54%

83.0th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
Spice Project	Spice	< 0.14.2
Redhat	Openstack	16.1
Canonical	Ubuntu Linux	14.04
Canonical	Ubuntu Linux	16.04
Canonical	Ubuntu Linux	18.04
Canonical	Ubuntu Linux	20.04
Debian	Debian Linux	9.0
Opensuse	Leap	15.2
Redhat	Enterprise Linux	6.0
Redhat	Enterprise Linux	7.0
Redhat	Enterprise Linux	8.0
Redhat	Enterprise Linux Aus	8.2
Redhat	Enterprise Linux Eus	8.1
Redhat	Enterprise Linux Tus	8.2
Redhat	Enterprise Linux Update Services For Sap Solutions	8.0

References

http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00001.htmlMailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1868435Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00002.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4572-1/Third Party Advisory
https://usn.ubuntu.com/4572-2/Third Party Advisory
https://www.debian.org/security/2020/dsa-4771Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/06/10Mailing List, Patch, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00000.htmlMailing List, Third Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00001.htmlMailing List, Third Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1868435Issue Tracking, Patch, Vendor Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00001.htmlMailing List, Third Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00002.htmlMailing List, Third Party Advisory
https://usn.ubuntu.com/4572-1/Third Party Advisory
https://usn.ubuntu.com/4572-2/Third Party Advisory
https://www.debian.org/security/2020/dsa-4771Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/06/10Mailing List, Patch, Third Party Advisory

Timeline

Published: Oct 7, 2020
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2020-14355?

How severe is CVE-2020-14355?

CVE-2020-14355 has a CVSS score of 6.6/10 (MEDIUM severity). The EPSS model estimates a 2.54% probability of exploitation in the next 30 days.

How do I fix CVE-2020-14355?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2020-14355?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST