TI-2023-15211 Aliases CVE-2023-31794 GHSA-fp46-48v5-9hqr

MuPDF v1.21.1 was discovered to contain an infinite recursion in the component…

LOW 24CWE-674Published 2023-10-31 · Updated 2024-09-05

Key facts

Attack vector: Local
Privileges required: None
User interaction: Required
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-674.

Summary

MuPDF v1.21.1 was discovered to contain an infinite recursion in the component pdf_mark_list_push. This vulnerability allows attackers to cause a Denial of Service (DoS) via a crafted PDF file.

Why it matters now

Exploitation None reported CISA SSVC · not in CISA KEV

EPSS 0.00251 16th percentileScored 2026-11-07

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: None
Automatable: No
Technical impact: Partial

The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.

Affected products

Vendor	Product	Affected versions	Fixed in	Status	Source
—	—	all versions	—	No fix listed	CNA

— Vendor— Affected all versions Fixed in — No fix listed CNA

CPE configurations NVD · 1

CPE	Versions	Role	Vendor
cpe:2.3:a:artifex:mupdf:1.21.1:::::::*	1.21.1	Vulnerable	Artifex

cpe:2.3:a:artifex:mupdf:1.21.1:*:*:*:*:*:*:* Versions 1.21.1 Vulnerable ·Artifex

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2023-31794
2026-10-03 Alias added: GHSA-fp46-48v5-9hqr

References

Advisory 1

https://gist.github.com/spookhorror/c770d118767b1b0d89fdfe2845169d06

Other 2

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