CVE-2018-19873

32

FAUCET Score

CVE-2018-19873 is a critical buffer overflow vulnerability in the QBmpHandler component of Qt versions prior to 5.11.3, affecting products like Canonical, Debian, and openSUSE. With a CVSS score of 9.8, it allows unauthenticated attackers to achieve high impact on confidentiality, integrity, and availability over the network with low attack complexity. Despite its severity, there is no evidence of active exploitation, publicly available exploit code (Metasploit, Nuclei, ExploitDB), or significant community discussion or media coverage.

Impacted Technologies

Vendor	Product	Version(s)	CPE
		<= 5.5.1CPE matchmatch criteria	cpe:2.3:a:qt:qt::::::::
		>= 5.7.0, <= 5.8.0CPE matchmatch criteria	cpe:2.3:a:qt:qt::::::::
		>= 5.10.0, < 5.11.3CPE matchmatch criteria	cpe:2.3:a:qt:qt::::::::
		sle-15CPE matchmatch criteria	cpe:2.3:o:opensuse:backports:sle-15:sp1::::::
		sle-15CPE matchmatch criteria	cpe:2.3:o:opensuse:backports:sle-15:sp2::::::

CVSS Data

CVSS version used by this source: 3.1

9.8CRITICAL

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H

Attack Vector

NETWORK

Attack Complexity

LOW

Privileges Required

NONE

User Interaction

NONE

Scope

UNCHANGED

Confidentiality Impact

HIGH

Integrity Impact

HIGH

Availability Impact

HIGH

Exploitability Score

3.9

Impact Score

5.9

CvssVersion

3.1

Exploit Intelligence

EPSS Score

3.38%

Probability of exploitation in next 30 days

EPSS Percentile

87.5%

Percentile rank of EPSS score among Peer Group

As of 2026-07-26

Model: v2026.06.15

This CVE's current EPSS score of 0.0338 is in the 80th percentile among its peer group of 36,835 CVEs.

Social Chatter

The average CVE in this peer group has 0.0 Twitter, 0.1 Reddit, 0.3 Bluesky, 0.3 Mastodon, and 2.4 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 0.0 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-2018-19873Low

qt5-qtbase: QBmpHandler segmentation fault on malformed BMP file

References

lists.opensuse.org / opensuse-security-announce/2018-12/msg00066.html

Mailing ListThird Party Advisory

lists.opensuse.org / opensuse-security-announce/2020-09/msg00057.html

Mailing List

lists.opensuse.org / opensuse-security-announce/2020-09/msg00071.html

Mailing List

lists.opensuse.org / opensuse-security-announce/2020-09/msg00073.html

Mailing List

lists.opensuse.org / opensuse-security-announce/2020-09/msg00090.html

Mailing List

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

Third Party Advisory

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

Third Party Advisory

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

Release NotesVendor Advisory

codereview.qt-project.org

Issue TrackingPatchVendor 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

Mailing ListThird Party Advisory

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

Mailing ListThird Party Advisory

usn.ubuntu.com / 4003-1

Mailing ListThird Party Advisory

debian.org / security/2019/dsa-4374

Mailing ListThird Party Advisory