CVE-2018-15127

Key facts

CVSS score

9.8 (v3.0)

Severity

CRITICAL

CVSS vector

CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Weakness (CWE)

CWE-787

EPSS score

15.1% (97th percentile)

In CISA KEV

No

In EU EUVD

Yes (EUVD-2018-7008)

Published

December 19, 2018

NVD last modified

June 17, 2026

Status

Modified

Affected products

• canonical / ubuntu linux
• canonical / ubuntu linux
• canonical / ubuntu linux
• canonical / ubuntu linux
• debian / debian linux
• debian / debian linux
• libvnc project / libvncserver
• redhat / enterprise linux desktop
• redhat / enterprise linux server
• redhat / enterprise linux server aus
• redhat / enterprise linux server eus
• redhat / enterprise linux server tus
• redhat / enterprise linux workstation

Certified products that may be affected

1 FIPS 140 or Common Criteria certified product, from automated matching by sec-certs.org.

• Red Hat Enterprise Linux 7.6 - Red Hat, Inc. - Common Criteria CCEVS-VR-VID-11039-2020 - archived

References

• https://access.redhat.com/errata/RHSA-2019:0059(Third Party Advisory)
• https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-028-libvnc-heap-out-of-bound-write/(Third Party Advisory)
• https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html(Mailing List, Third Party Advisory)
• https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html
• https://usn.ubuntu.com/3877-1/(Third Party Advisory)
• https://usn.ubuntu.com/4547-1/
• https://usn.ubuntu.com/4587-1/
• https://www.debian.org/security/2019/dsa-4383(Third Party Advisory)