TI-2021-03080 Aliases CVE-2021-4216 GHSA-fxg7-4q6m-p84h

A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width…

LOW 24CWE-369Published 2022-08-26 · Updated 2024-08-03

Key facts

Attack vector: Local
Privileges required: Low
User interaction: None
Attack complexity: Low
Impact type: Denial of service
Confidentiality · integrity · availability: None · None · High
Fix status: No fix listed

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-369.

Summary

A Floating point exception (division-by-zero) flaw was found in Mupdf for zero width pages in muraster.c. It is fixed in Mupdf-1.20.0-rc1 upstream.

Why it matters now

EPSS 0.00247 16th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

Not available: CISA has not published SSVC decision points for this record.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	mupdf	Fixed in v1.20.0-rc1	—	No fix listed	CNA

mupdf Vendor— Affected Fixed in v1.20.0-rc1 Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:artifex:mupdf::::::::	before 1.20.0	Vulnerable	Artifex

cpe:2.3:a:artifex:mupdf:*:*:*:*:*:*:*:* Versions before 1.20.0 Vulnerable ·Artifex

Remediation

No fixed version listed by the sources yet.

Vendor assessments

Red Hat

Red Hat's page for this CVE →

Not affected: 1 product

Red Hat

Timeline

2026-10-02 Threatist record created from CVE-2021-4216
2026-10-03 Alias added: GHSA-fxg7-4q6m-p84h

References

Patch 1

https://github.com/ArtifexSoftware/mupdf/commit/22c47acbd52949421f8c7cb46ea1556827d0fcbf

Other 1

https://bugs.ghostscript.com/show_bug.cgi?id=704834

TI-2024-16051 freeglut through 3.4.0 was discovered to contain a memory leak via the menuEntry variable… CVSS 3.1HIGH 7.5
TI-2023-27942 A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF… CVSS 3.1HIGH 7.5
TI-2021-02374 Double free in mupdf CVSS 3.1HIGH 7.8
TI-2016-07185 Out-of-bounds write in Artifex MuPDF CVSS 3.1HIGH 7.8
TI-2012-04514 SumatraPDF 2.1.1/MuPDF 1.0 allows remote attackers to cause an Integer Overflow in the… CVSS 3.1HIGH 7.8
TI-2023-27939 A floating point exception (divide-by-zero) vulnerability was discovered in Artifex MuPDF… CVSS 3.1HIGH 7.5

See all 66 →

Sources

This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences