CVE-2023-32763: qt Classic Buffer Overflow
CVSS: 7.5v3.1HighModified
AliasesSUSE-SU-2023:2780-1SUSE-SU-2023:2824-1SUSE-SU-2023:2860-1UBUNTU-CVE-2023-32763DEBIAN-CVE-2023-32763
Published 28-05-2023Last modified 02-08-2024
Vulnerability summary
CVE-2023-32763 is a high (CVSS 7.5) Classic Buffer Overflow vulnerability in qt. EPSS estimates a 1.29% chance of exploitation in the next 30 days, higher than 69.6% of scored vulnerabilities.
CVSS score
7.5/10
010
High · v3.1 (NVD)EPSS score
1.29%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits0No public exploits recorded
Advisory lineage
Upstream 0 · Downstream 10 · Related 7Timeline
- 28-05-2023PublishedVulnerability first disclosed.
- 02-08-2024Last modifiedVulnerability information updated.
Description
An issue was discovered in Qt before 5.15.15, 6.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1. When a SVG file with an image inside it is rendered, a QTextLayout buffer overflow can be triggered.
CVSS metrics
3 scores · 3 sources · 1 versionHigh 7.5Preferred score · NVD (NIST)
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated7.5HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.29%
Chance of exploitation in the next 30 days
Percentile
70%
Versus all other CVEs
30-day change
0.00 pp
From 1.29% on 18-09-2026
18-09-202618-10-2026
EPSS score1.29%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
0 foundNo public exploits indexed.
Weaknesses
CWE · root causeAffected systems
Suse16 products
- libqt5-qtbase&distro=SUSE Enterprise Storage 7< 5.12.7-150200.4.20.1
- libqt5-qtbase&distro=SUSE Enterprise Storage 7.1< 5.12.7-150200.4.20.1
- libqt5-qtbase&distro=SUSE Linux Enterprise High Performance Computing 15 SP2-LTSS< 5.12.7-150200.4.20.1
- libqt5-qtbase&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-ESPOS< 5.12.7-150200.4.20.1
- libqt5-qtbase&distro=SUSE Linux Enterprise High Performance Computing 15 SP3-LTSS< 5.12.7-150200.4.20.1
Debian3 products
- qt6-base< 6.4.2+dfsg-8
- qtbase-opensource-src< 5.15.8+dfsg-10
- qtbase-opensource-src-gles< 5.15.8+dfsg-3
Opensuse3 products
- libqt5-qtbase&distro=openSUSE Leap 15.5< 5.15.8+kde185-150500.4.3.1
- qt6-base-docs&distro=openSUSE Leap 15.5< 6.4.2-150500.3.3.1
- qt6-base&distro=openSUSE Leap 15.5< 6.4.2-150500.3.3.1
Ubuntu3 products
- qt6-baseAll versions (No fix recorded)
- qtbase-opensource-srcAll versions (No fix recorded)
- qtbase-opensource-src-glesAll versions (No fix recorded)
Qt1 product
- qt< 5.15.15 | ≥ 6.0.0, < 6.2.9 | ≥ 6.3.0, < 6.5.1
5 vendors · 26 products
References
14 links
- security.gentoo.org/glsa/202402-03Vendor Advisory
