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Vulnerability record · CVE-2020-14355 · published 7 October 2020

CVE-2020-14355: Spice project spice classic buffer overflow vulnerability

SSpice Project · Spice

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.

6.6 CVSS 3.1 Medium EPSS 2.7% · top 14.9% CWE-120 · Classic buffer overflow
6.6CVSS 3.1 base score, v2 6.5
2.7%EPSS exploitation probability, 30 days
NoNot in CISA KEV
10Affected product versions listed by NVD
18References
17 Jun 2026Last modified by NVD

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.

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

Affected products

10 vulnerable configurations from NVD's CPE data, grouped by vendor and product.

References

LinkTags
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00000.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00001.html Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1868435 Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00001.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00002.html Mailing ListThird 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-4771 Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/06/10 Mailing ListPatchThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00000.html Mailing ListThird Party Advisory
http://lists.opensuse.org/opensuse-security-announce/2020-11/msg00001.html Mailing ListThird Party Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=1868435 Issue TrackingPatchVendor Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00001.html Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2020/11/msg00002.html Mailing ListThird 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-4771 Third Party Advisory
https://www.openwall.com/lists/oss-security/2020/10/06/10 Mailing ListPatchThird Party Advisory

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Source: NIST National Vulnerability Database (record CVE-2020-14355), CISA KEV, FIRST EPSS (scores of 2026-09-28). This page is refreshed as NVD updates the record.