CVE-2018-6307

HIGH

LibVNC < 0.9.12 - Use-After-Free in File Transfer Extension

Title source: llm
STIX 2.1

Description

LibVNC before commit ca2a5ac02fbbadd0a21fabba779c1ea69173d10b contains heap use-after-free vulnerability in server code of file transfer extension that can result remote code execution.

References (6)

Core 6
Core References
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4383
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/12/msg00017.html
Third Party Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/3877-1/
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/10/msg00042.html

Scores

CVSS v3 8.1
EPSS 0.0948
EPSS Percentile 92.9%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H

Details

CWE
CWE-416
Status published
Products (7)
canonical/ubuntu_linux 14.04
canonical/ubuntu_linux 16.04
canonical/ubuntu_linux 18.04
canonical/ubuntu_linux 18.10
debian/debian_linux 8.0
debian/debian_linux 9.0
libvnc_project/libvncserver < 0.9.12
Published Dec 19, 2018
Tracked Since Feb 18, 2026