TI-2020-16245 Aliases CVE-2020-26683 GHSA-8f37-8c54-xq42

A memory leak issue discovered in /pdf/pdf-font-add.c in Artifex Software MuPDF 1.17.0…

MEDIUM 58CWE-401Published 2023-08-22 · Updated 2024-10-03

Key facts

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

Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-401.

Summary

A memory leak issue discovered in /pdf/pdf-font-add.c in Artifex Software MuPDF 1.17.0 allows attackers to obtain sensitive information.

Why it matters now

Exploitation Proof of concept CISA SSVC · not in CISA KEV

EPSS 0.00306 23rd percentileScored 2026-11-07

Public exploit Yes 1 exploit referenceTagged by NVD

Fix No fix listed No fixed version in the sources yet

SSVC decision points

CISA ADP · SSVC 2.0.3

Exploitation: Poc
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:1.17.0:-::::::	1.17.0	Vulnerable	Artifex

cpe:2.3:a:artifex:mupdf:1.17.0:-:*:*:*:*:*:* Versions 1.17.0 Vulnerable ·Artifex

Remediation

No fixed version listed by the sources yet.

Timeline

2026-10-02 Threatist record created from CVE-2020-26683
2026-10-03 Alias added: GHSA-8f37-8c54-xq42

References

Exploit 1

https://bugs.ghostscript.com/show_bug.cgi?id=702566

Other 1

https://cgit.ghostscript.com/cgi-bin/cgit.cgi/mupdf.git/commit/?id=05720b4ee3dbae57e65546dc2eecc3021c08eeea

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