CVE-2018-19870

HIGH

Qt < 5.11.3 - Denial of Service via Malformed GIF Image

Title source: llm
STIX 2.1

Description

An issue was discovered in Qt before 5.11.3. A malformed GIF image causes a NULL pointer dereference in QGifHandler resulting in a segmentation fault.

References (10)

Core 10
Core References
Patch, Vendor Advisory x_refsource_confirm
https://codereview.qt-project.org/#/c/235998/
Third Party Advisory vendor-advisory x_refsource_debian
https://www.debian.org/security/2019/dsa-4374
Mailing List, Third Party Advisory mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/01/msg00004.html
Mailing List, Third Party Advisory vendor-advisory x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00080.html
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2019/05/msg00014.html
Vendor Advisory vendor-advisory x_refsource_ubuntu
https://usn.ubuntu.com/4003-1/
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:2135
Vendor Advisory vendor-advisory x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3390
Mailing List mailing-list x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html

Scores

CVSS v3 8.8
EPSS 0.0169
EPSS Percentile 82.5%
Attack Vector NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Details

CWE
CWE-476
Status published
Products (4)
debian/debian_linux 8.0
debian/debian_linux 9.0
opensuse/leap 15.0
qt/qt < 5.11.3
Published Dec 26, 2018
Tracked Since Feb 18, 2026