DEBIAN-CVE-2021-42521
- Source
- https://security-tracker.debian.org/tracker/CVE-2021-42521
- Import Source
- https://storage.googleapis.com/debian-osv/debian-cve-osv/DEBIAN-CVE-2021-42521.json
- JSON Data
- https://api.osv.dev/v1/vulns/DEBIAN-CVE-2021-42521
- Upstream
- Published
- 2022-08-25T18:15:09.140Z
- Modified
- 2025-11-20T10:15:46.700734Z
- Severity
-
- 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
- Summary
- [none]
- Details
-
There is a NULL pointer dereference vulnerability in VTK before 9.2.5, and it lies in IO/Infovis/vtkXMLTreeReader.cxx. The vendor didn't check the return value of libxml2 API 'xmlDocGetRootElement', and try to dereference it. It is unsafe as the return value can be NULL and that NULL pointer dereference may crash the application.
- References
Affected packages
Debian:11
vtk6
vtk7
Package
- Name
- vtk7
- Purl
- pkg:deb/debian/vtk7?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
vtk9
Package
- Name
- vtk9
- Purl
- pkg:deb/debian/vtk9?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Affected versions
9.*
9.0.1+dfsg1-8
9.0.3+dfsg1-1
9.0.3+dfsg1-2
9.0.3+dfsg1-2.1
9.0.3+dfsg1-2.1+hurd.1
9.0.3+dfsg1-2.1+hurd.2
9.0.3+dfsg1-3
9.1.0+dfsg1-1
9.1.0+dfsg2-1
9.1.0+dfsg2-2
9.1.0+really9.0.3+dfsg1-3
9.1.0+really9.0.3+dfsg1-4
9.1.0+really9.0.3+dfsg1-4+hurd.1
9.1.0+really9.1.0+dfsg2-3~exp1
9.1.0+really9.1.0+dfsg2-3~exp2
9.1.0+really9.1.0+dfsg2-3
9.1.0+really9.1.0+dfsg2-4
9.1.0+really9.1.0+dfsg2-5
9.1.0+really9.1.0+dfsg2-6
9.1.0+really9.1.0+dfsg2-7
9.1.0+really9.1.0+dfsg2-7.1
9.1.0+really9.1.0+dfsg2-8
9.2.6+dfsg1-1+exp1
9.2.6+dfsg1-1+exp2
9.3.0+dfsg1-1~exp1
9.3.0+dfsg1-1~exp2
9.3.0+dfsg1-1~exp3
9.3.0+dfsg1-1~exp4
9.3.0+dfsg1-1
9.3.0+dfsg1-1.1
9.3.0+dfsg1-2
9.3.0+dfsg1-3
9.3.0+dfsg1-3+hurd.1
9.3.0+dfsg1-4
9.3.0+dfsg1-4+m68k
9.3.0+dfsg1-4.1+hurd.1
9.3.0+dfsg1-5
9.3.0+dfsg1-6
9.3.0+dfsg1-7
9.5.2+dfsg1-1~exp1
9.5.2+dfsg2-1~exp1
9.5.2+dfsg2-1~exp2
9.5.2+dfsg2-1~exp3
9.5.2+dfsg2-1~exp4
9.5.2+dfsg2-1
9.5.2+dfsg2-2
9.5.2+dfsg2-3
9.5.2+dfsg2-4
Debian:12
vtk9
Package
- Name
- vtk9
- Purl
- pkg:deb/debian/vtk9?arch=source
Affected ranges
- Type
- ECOSYSTEM
- Events
-
Introduced0Unknown introduced version / All previous versions are affected
Affected versions
9.*
9.1.0+really9.1.0+dfsg2-5
9.1.0+really9.1.0+dfsg2-5+deb12u1
9.1.0+really9.1.0+dfsg2-6
9.1.0+really9.1.0+dfsg2-7
9.1.0+really9.1.0+dfsg2-7.1
9.1.0+really9.1.0+dfsg2-8
9.2.6+dfsg1-1+exp1
9.2.6+dfsg1-1+exp2
9.3.0+dfsg1-1~exp1
9.3.0+dfsg1-1~exp2
9.3.0+dfsg1-1~exp3
9.3.0+dfsg1-1~exp4
9.3.0+dfsg1-1
9.3.0+dfsg1-1.1
9.3.0+dfsg1-2
9.3.0+dfsg1-3
9.3.0+dfsg1-3+hurd.1
9.3.0+dfsg1-4
9.3.0+dfsg1-4+m68k
9.3.0+dfsg1-4.1+hurd.1
9.3.0+dfsg1-5
9.3.0+dfsg1-6
9.3.0+dfsg1-7
9.5.2+dfsg1-1~exp1
9.5.2+dfsg2-1~exp1
9.5.2+dfsg2-1~exp2
9.5.2+dfsg2-1~exp3
9.5.2+dfsg2-1~exp4
9.5.2+dfsg2-1
9.5.2+dfsg2-2
9.5.2+dfsg2-3
9.5.2+dfsg2-4