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Fencer Vulns
medium 5.3

CVE-2020-17507 json

An issue was discovered in Qt through 5.12.9, and 5.13.x through 5.15.x before 5.15.1.

published 2020-08-12 6 y ago modified 2026-06-17 4 mo ago also EUVD-2020-9455

cvss
5.3
version 3.1, NVD
cisa kev
Not listed
not in CISA's catalog
epss
4.0%
EPSS 4.0% chance of exploitation in 30 days, percentile 90%
public exploits
0
none known

Summary

An issue was discovered in Qt through 5.12.9, and 5.13.x through 5.15.x before 5.15.1. read_xbm_body in gui/image/qxbmhandler.cpp has a buffer over-read.

Patch / fix

  • qt qt 5.15.1
  • qtbase-opensource-src Debian 14, Debian 13, Debian 12 5.14.2+dfsg-6

debian advisories DEBIAN-CVE-2020-17507

  • qtbase-opensource-src Ubuntu 18.04 LTS 5.9.5+dfsg-0ubuntu2.6
  • qtbase-opensource-src Ubuntu Pro 16.04 LTS 5.5.1+dfsg-16ubuntu7.7+esm2
  • qtbase-opensource-src Ubuntu Pro 20.04 LTS 5.12.8+dfsg-0ubuntu2.1+esm3

ubuntu advisories UBUNTU-CVE-2020-17507

Ubuntu security data © Canonical Ltd., from https://github.com/canonical/ubuntu-security-notices via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qt5-qtbase RHEL 8 5.12.5-8.el8
  • qt5-qtbase-gui RHEL 8 5.12.5-8.el8
  • qt5-qtbase-odbc RHEL 8 5.12.5-8.el8
  • qt5-qtbase-mysql RHEL 8 5.12.5-8.el8
  • qt5-qtbase-common RHEL 8 5.12.5-8.el8
  • qt5-qtbase-examples RHEL 8 5.12.5-8.el8
  • qt5-qtbase-postgresql RHEL 8 5.12.5-8.el8
  • qt RHEL 7 1:4.8.7-9.el7_9

red hat advisories RHSA-2021:1756RHSA-2020:5021

  • libqt4 SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +1 more 4.8.7-8.16.1
  • libqt4-sql-plugins SLES for SAP 12 SP5, SLES 12 SP5, SLE Workstation Extension 12 SP5 +1 more 4.8.7-8.16.1
  • libqt5-qtbase SLES for SAP 12 SP2, SLES 12 SP2-LTSS, SLES 12 SP2-BCL +1 more 5.6.1-17.16.1
  • libqt5-qtbase SLES for SAP 12 SP5, SLES for SAP 12 SP4, SLES for SAP 12 SP3 +11 more 5.6.2-6.25.1
  • libqt5-qtbase SLES for SAP 15, SLES 15-LTSS, SLE High Performance Computing 15-LTSS +1 more 5.9.4-8.24.1
  • libqt5-qtbase SLE Module for Desktop Applications 15 SP2, SLE Module for Basesystem 15 SP2 5.12.7-4.6.1
  • libqt5-qtbase SLE Module for Desktop Applications 15 SP1, SLE Module for Basesystem 15 SP1 5.9.7-13.8.1

suse advisories SUSE-SU-2021:4155-1SUSE-SU-2020:2760-1SUSE-SU-2020:2751-1SUSE-SU-2020:2748-1SUSE-SU-2020:2742-1SUSE-SU-2020:2741-1

  • libqt5-qtbase openSUSE Tumbleweed 5.15.2+kde222-1.3
  • libqt5-qtbase openSUSE Leap 15.2 5.12.7-lp152.3.9.1
  • libqt5-qtbase openSUSE Leap 15.1 5.9.7-lp151.4.6.1
  • libqt5-qtbase openSUSE Leap 15.2 5.12.7-lp152.3.6.1
  • libqt4 Package Hub 15 SP2 4.8.7-bp152.4.3.1
  • libqt4-sql-plugins Package Hub 15 SP2 4.8.7-bp152.4.3.1
  • libqt4 openSUSE Leap 15.2 4.8.7-lp152.10.3.1
  • libqt4-sql-plugins openSUSE Leap 15.2 4.8.7-lp152.10.3.1

opensuse advisories openSUSE-SU-2024:10975-1openSUSE-SU-2020:2142-1openSUSE-SU-2020:1568-1openSUSE-SU-2020:1564-1openSUSE-SU-2020:1530-1openSUSE-SU-2020:1501-1

  • qt5-qtbase Alpine 3.12 5.14.2-r1
  • qt5-qtbase Alpine 3.24, Alpine 3.23, Alpine 3.22 +9 more 5.15.0-r2

alpine advisories ALPINE-CVE-2020-17507

Alpine secdb © Alpine Linux, from https://secdb.alpinelinux.org via OSV; changed: normalised to fixed package versions per release. CC BY-SA 4.0

  • qt5-qtsvg CBL-Mariner 2.0 5.12.11-3

azure linux advisories AZL-6836

Azure Linux vulnerability data, Copyright (c) Microsoft Corporation, from https://github.com/microsoft/AzureLinuxVulnerabilityData via OSV, under the MIT licence; changed: normalised to fixed package versions per release. MIT

Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2020-17507 updated cvss 5.3

qt: buffer over-read in read_xbm_body in gui/image/qxbmhandler.cpp

  • Red Hat Enterprise Linux 5 qt Red Hat Enterprise Linux 6 qt, qt-x11, qt-odbc, qt-demos, qt-mysql, qt-sqlite, +3 more
    affected: no fix planned “Out of support scope”
  • Red Hat CodeReady Linux Builder (v. 8) qt5-qtbase-static 5.12.5-8.el8, qt5-qtbase-debuginfo 5.12.5-8.el8, qt5-qtbase-debugsource 5.12.5-8.el8, qt5-qtbase-gui-debuginfo 5.12.5-8.el8, qt5-qtbase-odbc-debuginfo 5.12.5-8.el8, qt5-qtbase-devel-debuginfo 5.12.5-8.el8, +4 more Red Hat Enterprise Linux AppStream (v. 8) qt5-qtbase 5.12.5-8.el8, qt5-qtbase-gui 5.12.5-8.el8, qt5-qtbase-odbc 5.12.5-8.el8, qt5-qtbase-mysql 5.12.5-8.el8, qt5-qtbase-common 5.12.5-8.el8, qt5-qtbase-examples 5.12.5-8.el8, +1 more
    fixed: vendor fix RHSA-2021:1756
  • Red Hat Enterprise Linux Client (v. 7) qt 4.8.7-9.el7_9, qt-x11 4.8.7-9.el7_9, qt-mysql 4.8.7-9.el7_9, qt5-qtbase 5.9.7-5.el7_9, qt5-qtbase-gui 5.9.7-5.el7_9, qt5-qtbase-common 5.9.7-5.el7_9 Red Hat Enterprise Linux Client Optional (v. 7) qt-odbc 4.8.7-9.el7_9, qt-qvfb 4.8.7-9.el7_9, qt-demos 4.8.7-9.el7_9, qt-config 4.8.7-9.el7_9, qt-examples 4.8.7-9.el7_9, qt-assistant 4.8.7-9.el7_9, +8 more Red Hat Enterprise Linux ComputeNode Optional (v. 7) qt-odbc 4.8.7-9.el7_9, qt-qvfb 4.8.7-9.el7_9, qt-demos 4.8.7-9.el7_9, qt-mysql 4.8.7-9.el7_9, qt-config 4.8.7-9.el7_9, qt5-qtbase 5.9.7-5.el7_9, +12 more Red Hat Enterprise Linux Server (v. 7) qt 4.8.7-9.el7_9, qt-x11 4.8.7-9.el7_9, qt-odbc 4.8.7-9.el7_9, qt-mysql 4.8.7-9.el7_9, qt5-qtbase 5.9.7-5.el7_9, qt-postgresql 4.8.7-9.el7_9, +6 more Red Hat Enterprise Linux Server Optional (v. 7) qt-qvfb 4.8.7-9.el7_9, qt-demos 4.8.7-9.el7_9, qt-config 4.8.7-9.el7_9, qt-examples 4.8.7-9.el7_9, qt-assistant 4.8.7-9.el7_9, qt-qdbusviewer 4.8.7-9.el7_9, +2 more Red Hat Enterprise Linux Workstation (v. 7) qt 4.8.7-9.el7_9, qt-x11 4.8.7-9.el7_9, qt-odbc 4.8.7-9.el7_9, qt-mysql 4.8.7-9.el7_9, qt5-qtbase 5.9.7-5.el7_9, qt-postgresql 4.8.7-9.el7_9, +6 more
    +1 more products
    Red Hat Enterprise Linux Workstation Optional (v. 7) qt-qvfb 4.8.7-9.el7_9, qt-demos 4.8.7-9.el7_9, qt-config 4.8.7-9.el7_9, qt-examples 4.8.7-9.el7_9, qt-assistant 4.8.7-9.el7_9, qt-qdbusviewer 4.8.7-9.el7_9, +2 more
    fixed: vendor fix RHSA-2020:5021

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

3.99% chance of exploitation in the next 30 days, higher than 90% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
NVD 3.1 5.3 CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L
NVD 2.0 5.0 AV:N/AC:L/Au:N/C:N/I:N/A:P

Classification

Weakness

References

Sources

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.