CVE-2023-32573

In Qt before 5.15.14, 6.0.x through 6.2.x before 6.2.9, and 6.3.x through 6.5.x before 6.5.1, QtSvg QSvgFont m_unitsPerEm initialization is mishandled.

Published: 2023-05-10 Last update: 2025-01-27 Assigner: [email protected] Source: [email protected]
NVD Status：Modified，CVE State: published
View at NVD, CVE.org, EUVD

CVE-2023-32573 is rated Moderate Risk (45.8/100): CVSS Medium severity, with medium exploitation likelihood (EPSS 0.88%). Review affected assets and schedule remediation.

Risk is dynamic; we continuously reassess and refresh what is shown on this page as upstream context changes.

Exploit prediction scoring system (EPSS) score for CVE-2023-32573

EPSS lead: Daily EPSS estimates relative likelihood of exploitation; percentile ranks this CVE among scored vulnerabilities (higher = more severe relative rank).

# Date Old EPSS score New EPSS score Delta (New - Old)
1 2026-06-15 0.06% 0.88% +0.81%
2 2025-11-21 0.30% 0.06% -0.24%
3 2025-11-18 — 0.30% —

Full EPSS history (9 records total)

Common vulnerability scoring system (CVSS) metrics for CVE-2023-32573

CVSS metrics for this CVE.

Base score Version Severity Vector Exploitability Impact Score source
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 [email protected]
6.5 3.1 MEDIUM
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H Click to expand
Attack vector (AV:N)
Could be attacked over the internet or any normal routed network—not just someone sitting at the machine.
Attack complexity (AC:L)
Once they can reach the bug, pulling it off is straightforward—no weird race conditions or rare setup.
Privileges required (PR:N)
No account or special rights needed—anonymous or random user is enough.
User interaction (UI:R)
A real person has to do something—click, install, enable—otherwise it doesn’t land.
Scope (S:U)
Damage stays in the same “trust bubble” as the broken component—no big spill into unrelated systems.
Confidentiality (C:N)
Doesn’t really leak secrets in a meaningful way.
Integrity (I:N)
Data isn’t meaningfully altered or forged.
Availability (A:H)
Could take the service down hard or make it unusable for people who depend on it.
 2.8 3.6 134c704f-9b21-4f2e-91b3-4a467353bcc0

Weakness enumeration for CVE-2023-32573

OS Trackers for CVE-2023-32573

vendor priority summary link
alpine — CVE-2023-32573: 1 source package rows (qt6-qtsvg); 6 state rows across 6 repos (3.18-community, 3.19-community, 3.20-community, 3.21-community, 3.22-community, edge-community); fixed 6, open 0. https://security.alpinelinux.org/vuln/CVE-2023-32573
debian not yet assigned CVE-2023-32573 not yet assigned priority: Debian including 2 source packages (qt6-svg, qtsvg-opensource-src), 9 status rows across 5 suites (bookworm, bullseye, forky, sid, trixie): resolved 8, open 1. https://security-tracker.debian.org/tracker/CVE-2023-32573
gentoo normal CVE-2023-32573: 1 GLSA(s) (202405-26), 1 atom(s) (dev-qt/qtsvg); latest impact normal. https://bugs.gentoo.org/buglist.cgi?quicksearch=CVE-2023-32573
redhat low — https://access.redhat.com/security/cve/CVE-2023-32573
suse medium CVE-2023-32573 severity moderate: SUSE including 426 source package names (adwaita-qt5-1.4.2-1.el9, amazon/suse-sles-15-sp1-chost-byos-v20210304-hvm-ssd-x86_64, …), 521 product×package rows across 59 product lines (Image SLES15-SP3-SAP-BYOS-Azure, Image SLES15-SP3-SAP-BYOS-EC2-HVM, … (59 product lines)): Fixed 290, Known Affected 231. https://www.suse.com/security/cve/CVE-2023-32573/
ubuntu medium CVE-2023-32573 medium priority: Ubuntu including 2 source packages (qt6-svg, qtsvg-opensource-src), 26 status rows across 13 suites (bionic, focal, jammy, kinetic, lunar, mantic, noble, oracular, plucky, questing, trusty, upstream, xenial): ignored 12, needed 5, needs-triage 4, DNE 2, not-affected 2, released 1. https://ubuntu.com/security/CVE-2023-32573

Affected software / configurations for CVE-2023-32573

Vendor Product Version Raw CPE
qt qt < 5.15.14 cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
qt qt >= 6.0.0, < 6.2.9 cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
qt qt >= 6.3.0, < 6.5.1 cpe:2.3:a:qt:qt:*:*:*:*:*:*:*:*
redhat enterprise_linux 8.0 cpe:2.3:o:redhat:enterprise_linux:8.0:*:*:*:*:*:*:*
redhat enterprise_linux 9.0 cpe:2.3:o:redhat:enterprise_linux:9.0:*:*:*:*:*:*:*

References for CVE-2023-32573

cvelogic Threat Intelligence