CVE catalog

CVE-2021-28025

qt6-svg: CVE-2021-28025

Severity: Medium · CVSS 5.5CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Published: Jan 1, 2021, 12:00:00 AM UTC
Source: [NVD] · [CVE record]
EPSS: 0.29% · Oct 27, 2026

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).

Vulnerable and fixed packages

Distribution-reported package versions and fixes. These do not depend on matching against the OpenFactory package catalog.

Distribution	Package	Release	Version	Status
Debian	qt6-svg	sid	`6.11.2-2`	not affected
Debian	qt6-svg	forky	`6.11.2-2`	not affected
Debian	qt6-svg	trixie	`6.8.2-3`	not affected
Debian	qt6-svg	bookworm	`6.4.2-2`	not affected
Debian	qtsvg-opensource-src	sid	`5.15.19-2`	fixed
Debian	qtsvg-opensource-src	forky	`5.15.19-2`	fixed
Debian	qtsvg-opensource-src	trixie	`5.15.15-2`	fixed
Debian	qtsvg-opensource-src	bookworm	`5.15.8-3`	fixed

Fixed-version evidence

Distribution	Package	Type	Release	Fixed version	Urgency	Origin	Bugs
Debian	qt6-svg	source	sid	`Not affected`	unimportant	Not reported	Not reported
Debian	qt6-svg	source	forky	`Not affected`	unimportant	Not reported	Not reported
Debian	qt6-svg	source	trixie	`Not affected`	unimportant	Not reported	Not reported
Debian	qt6-svg	source	bookworm	`Not affected`	unimportant	Not reported	Not reported
Debian	qtsvg-opensource-src	source	sid	`5.15.4-2`	not yet assigned	Not reported	Not reported
Debian	qtsvg-opensource-src	source	forky	`5.15.4-2`	not yet assigned	Not reported	Not reported
Debian	qtsvg-opensource-src	source	trixie	`5.15.4-2`	not yet assigned	Not reported	Not reported
Debian	qtsvg-opensource-src	source	bookworm	`5.15.4-2`	not yet assigned	Not reported	Not reported

OpenFactory catalog packages

[Debian 12 (Bookworm)]

[libqt5svg5]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.8-3 · amd64 · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
- 5.15.8-3 · arm64 · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
[libqt5svg5-dev]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.8-3 · amd64 · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
- 5.15.8-3 · arm64 · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
[libqt6svg6]Not affected
Source package: [qt6-svg]
Details (2)
- 6.4.2-2 · amd64 · bookworm
  Not affected
  dsa · qt6-svg · debian · bookworm
- 6.4.2-2 · arm64 · bookworm
  Not affected
  dsa · qt6-svg · debian · bookworm
[libqt6svgwidgets6]Not affected
Source package: [qt6-svg]
Details (2)
- 6.4.2-2 · amd64 · bookworm
  Not affected
  dsa · qt6-svg · debian · bookworm
- 6.4.2-2 · arm64 · bookworm
  Not affected
  dsa · qt6-svg · debian · bookworm
[qt6-svg-dev]Not affected
Source package: [qt6-svg]
Details (2)
- 6.4.2-2 · amd64 · bookworm
  Not affected
  dsa · qt6-svg · debian · bookworm
- 6.4.2-2 · arm64 · bookworm
  Not affected
  dsa · qt6-svg · debian · bookworm
[qtsvg5-doc]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.8-3 · all · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
- 5.15.8-3 · all · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
[qtsvg5-doc-html]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.8-3 · all · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
- 5.15.8-3 · all · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
[qtsvg5-examples]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.8-3 · amd64 · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12
- 5.15.8-3 · arm64 · bookworm
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · bookworm; dsa · qtsvg-opensource-src · debian · 12

[Debian 13 (Trixie)]

[libqt5svg5]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.15-2 · amd64 · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
- 5.15.15-2 · arm64 · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
[libqt5svg5-dev]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.15-2 · amd64 · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
- 5.15.15-2 · arm64 · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
[qtsvg5-doc]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.15-2 · all · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
- 5.15.15-2 · all · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
[qtsvg5-doc-html]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.15-2 · all · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
- 5.15.15-2 · all · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
[qtsvg5-examples]Fixed
Source package: [qtsvg-opensource-src]
Details (2)
- 5.15.15-2 · amd64 · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13
- 5.15.15-2 · arm64 · trixie
  Fixed · Fixed: 5.15.4-2
  dsa · qtsvg-opensource-src · debian · 13

Observed: Oct 23, 2026, 5:55:27 PM UTC

References

[CERT-Bund public advisories] · [Debian Security Tracker] · [FIRST EPSS] · [OSV Package Vulnerability Database] · [Red Hat security advisories and VEX] · [SUSE security advisories and VEX]