What is CVE-2018-10893?

CVE-2018-10893 is a high-severity vulnerability in Spice Project, classified under Heap-based Buffer Overflow. CVSS score: 7.6/10. Published 2018-09-11.

How severe is CVE-2018-10893?

High severity. CVSS v3 base score is 7.6 out of 10.

Buffer overflow in Spice Project

CVE-2018-10893

Multiple integer overflow and buffer overflow issues were discovered in spice-client's handling of LZ compressed frames. A malicious server could cause the client to crash or, potentially, execute arbitrary code.

Vulnerability class: Buffer Overflow

Published 2018-09-11 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 7.6 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:L/UI:R/S:U/C:H/I:H/A:L.

EPSS exploit prediction

EPSS: 0.024 (83.1th percentile), scored 2026-09-29.

Low probability of exploitation in the next 30 days, but still tracked. 83rd percentile — 83.1% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.024 · newest: 0.024 · change: 0.000

Affected products

Weakness classification (CWE)

References

bugzilla.redhat.com/show_bug.cgi (Patch, Third Party Advisory, Issue Tracking)
lists.freedesktop.org/archives/spice-devel/2018-July/044489.html (mailing-list, Patch, Mailing List, Third Party Advisory)
access.redhat.com/errata/RHSA-2019:2229 (vendor-advisory)
access.redhat.com/errata/RHSA-2020:0471 (vendor-advisory)

Frequently asked questions

What is CVE-2018-10893?: CVE-2018-10893 is a high-severity vulnerability in Spice Project, classified under Heap-based Buffer Overflow. CVSS score: 7.6/10. Published 2018-09-11.
How severe is CVE-2018-10893?: High severity. CVSS v3 base score is 7.6 out of 10.