What’s Vulnerable › Vulnerabilities

CVE-2020-17507

• Severity: medium (CVSS 5.3 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 4.0% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2020-08-12 · updated 2026-06-17
• Weakness: CWE-125

Description

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.

Affected products

• Debian Linux: 9.0
• Fedoraproject Fedora: 31, 32
• Qt: through 5.12.9; from 5.13.0 before 5.15.1 — fixed in 5.15.1

How to fix

Upgrade to a fixed version: Qt 5.15.1. Check the vendor advisory for mitigations.

References

• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00104.html
• http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00105.html
• https://codereview.qt-project.org/c/qt/qtbase/+/308436
• https://codereview.qt-project.org/c/qt/qtbase/+/308495
• https://codereview.qt-project.org/c/qt/qtbase/+/308496
• https://lists.debian.org/debian-lts-announce/2020/09/msg00023.html
• https://lists.debian.org/debian-lts-announce/2020/09/msg00024.html
• https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/426FCC6JNK4JUEX5QHJQDYQ6MUVQ3E6P/

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