Out-of-bounds Read in Qt
CVE-2020-17507
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.
Vulnerability class: Buffer Overflow
Published · last modified .
CVSS v3 metric
CVSS v3 base score 5.3 (Medium). Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.040 (90.2th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 90th percentile — 90.2% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.040 · newest: 0.040 · change: 0.000
Affected products
- Qt
- Debian Linux — versions 9.0
- Fedoraproject Fedora — versions 31, 32
Weakness classification (CWE)
Public proof-of-concept exploits
References
- codereview.qt-project.org/c/qt/qtbase/+/308436 (Patch, Mailing List, Vendor Advisory)
- codereview.qt-project.org/c/qt/qtbase/+/308495 (Patch, Mailing List, Vendor Advisory)
- codereview.qt-project.org/c/qt/qtbase/+/308496 (Mailing List, Vendor Advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- lists.fedoraproject.org/archives/list/package-announce@lists.fedoraproject.org/… (vendor-advisory)
- security.gentoo.org/glsa/202009-04 (vendor-advisory, Third Party Advisory)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00057.html (vendor-advisory, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00071.html (vendor-advisory, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00073.html (vendor-advisory, Broken Link)
- lists.opensuse.org/opensuse-security-announce/2020-09/msg00090.html (vendor-advisory, Broken Link)
Frequently asked questions
- What is CVE-2020-17507?
- CVE-2020-17507 is a medium-severity vulnerability in Qt, classified under Out-of-bounds Read. CVSS score: 5.3/10. Published 2020-08-12.
- How severe is CVE-2020-17507?
- Medium severity. CVSS v3 base score is 5.3 out of 10.
- Is CVE-2020-17507 known to be exploited?
- 1 public proof-of-concept repositories are indexed. Not currently listed in the CISA KEV catalog.