CVE-2018-19870

29

FAUCET Score

CVE-2018-19870 describes a NULL pointer dereference vulnerability in Qt versions prior to 5.11.3, specifically within the QGifHandler when processing a malformed GIF image, leading to a segmentation fault. This high-severity vulnerability (CVSS 8.8) can be triggered remotely with low attack complexity, requiring user interaction, and has the potential for high impact on confidentiality, integrity, and availability. Despite its severity, there is no evidence of active exploitation, no publicly available exploit code (Metasploit, Nuclei, ExploitDB), and minimal community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		< 5.11.3CPE matchmatch criteria	cpe:2.3:a:qt:qt::::::::
		8.0CPE matchmatch criteria	cpe:2.3:o:debian:debian_linux:8.0:::::::*
		9.0CPE matchmatch criteria	cpe:2.3:o:debian:debian_linux:9.0:::::::*
		15.0CPE matchmatch criteria	cpe:2.3:o:opensuse:leap:15.0:::::::*

CVSS Data

CVSS version used by this source: 3.0

8.8HIGH

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

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

REQUIRED

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

2.8

Impact Score

5.9

CvssVersion

3.0

Exploit Intelligence

EPSS Score

2.42%

Probability of exploitation in next 30 days

EPSS Percentile

82.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-25

Model: v2026.06.15

This CVE's current EPSS score of 0.0242 is in the 81st percentile among its peer group of 14,825 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.2 Bluesky, 0.1 Mastodon, and 0.2 GitHub mentions.

Media Mentions

No media coverage found for this CVE.

The average CVE in this peer group has 0.3 InfoSec Media, 0.0 Vendor Blog, and 0.1 Security Researcher mentions.

Remediation

Patch Available

Vendor Patches (27)

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qt3d-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtbase-0:5.9.7-2.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtcanvas3d-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtconnectivity-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtdeclarative-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtdoc-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtgraphicaleffects-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtimageformats-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtlocation-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtmultimedia-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtquickcontrols-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtquickcontrols2-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtscript-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtsensors-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtserialbus-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtserialport-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtsvg-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qttools-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qttranslations-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtwayland-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtwebchannel-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtwebsockets-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtx11extras-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt5-qtxmlpatterns-0:5.9.7-1.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 7Fixed in: qt-1:4.8.7-8.el7

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: qt5-qtbase-0:5.11.1-7.el8

redhatpatch availablevia redhat_api

Product: Red Hat Enterprise Linux 8Fixed in: qt5-qttools-0:5.11.1-9.el8

Vendor Advisories (1)

redhatCVE-2018-19870Low

qt5-qtbase: QImage allocation failure in qgifhandler

References

lists.opensuse.org / opensuse-security-announce/2019-04/msg00080.html

Mailing ListThird Party Advisory

access.redhat.com / errata/RHSA-2019:2135

access.redhat.com / errata/RHSA-2019:3390

blog.qt.io / blog/2018/12/04/qt-5-11-3-released-important-security-updates

Release NotesVendor Advisory

codereview.qt-project.org

PatchVendor Advisory

lists.debian.org / debian-lts-announce/2019/01/msg00004.html

Mailing ListThird Party Advisory

lists.debian.org / debian-lts-announce/2019/05/msg00014.html

lists.debian.org / debian-lts-announce/2020/09/msg00023.html

usn.ubuntu.com / 4003-1

debian.org / security/2019/dsa-4374

Third Party Advisory