CVE-2020-14355

critical
Published — · Modified —
CVSS v3
CVSS v2
VIR risk
9.5

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.

Predictions

Exploit likelihood
20%
Patch ETA

Heuristic predictions, AS-IS, for prioritization only.

Mitigations

vendor Authored 2026-05-27

Vendor advisory: debian — https://security-tracker.debian.org/tracker/CVE-2020-14355

vendor Authored 2026-05-27

Vendor advisory: suse — https://www.suse.com/security/cve/CVE-2020-14355.html

vendor Authored 2026-05-27

Vendor advisory: arch — https://security.archlinux.org/ASA-202107-12

OS impact

OSVersionStatusFixed in
arch archfixed0.39-1
suse slesaffected
debian debianbookwormfixed0.14.3-2
debian debianbullseyefixed0.14.3-2
debian debianforkyfixed0.14.3-2
debian debiansidfixed0.14.3-2
debian debiantrixiefixed0.14.3-2

References

Verify integrity in audit chain (admin only). AS-IS.