🛡️ CVE-2021-28025 on Debian — qtsvg-opensource-src

⚪ Unknown ✅ No Known Exploit OSV

N/A

CVSS Score

0 Low4 Medium7 High9 Critical10

Description

Integer Overflow vulnerability in qsvghandler.cpp in Qt qtsvg versions 5.15.1, 6.0.0, 6.0.2, and 6.2, allows local attackers to cause a denial of service (DoS).

Distribution advisory

This page covers CVE-2021-28025 as tracked by Debian, for the package qtsvg-opensource-src. The fix is available in version 5.15.4-2; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Affected software

DEBIAN-CVE-2021-28025 is recorded against 1 package.

qtsvg-opensource-src (fixed in 5.15.4-2)

Timeline and source

Published on 11 August 2023 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2021-28025 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Ubuntu

Details

Severity Unknown

CVSS Score N/A

CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

CWE N/A

Public Exploit ✅ No

Source OSV

Published 2023-08-11

Updated 2026-08-20

Modified 2026-08-04

Fix URL N/A

Affected Packages

Software	From version	Fixed in
qtsvg-opensource-src	—	5.15.4-2

References

ADVISORY https://security-tracker.debian.org/tracker/CVE-2021-28025

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