5.3

CVE-2026-92413: artifex mupdf Improper Resource Shutdown or Release

CVSS: 5.3v4.0MediumAwaiting analysis
AliasesUBUNTU-CVE-2026-92413
Published 16-09-2026Last modified 18-09-2026

Vulnerability summary

CVE-2026-92413 is a medium (CVSS 5.3) Improper Resource Shutdown or Release vulnerability in artifex mupdf. EPSS estimates a 0.59% chance of exploitation in the next 30 days, higher than 47.6% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
31/100
0100
Medium · default modelHow is this calculated?
CVSS score
5.3/10
010
Medium · v4.0 (CVE.org)
EPSS score
0.59%
0%100%
Low · +0.16 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 16-09-2026
    PublishedVulnerability first disclosed.
  2. 18-09-2026
    Last modifiedVulnerability information updated.

Description

A flaw has been found in Artifex MuPDF up to b6d17493700c621c0e70036980a6ebd06d2202c9. Affected by this vulnerability is the function pdf_open_filter of the file pdf-stream.c of the component PDF Xref Loading. Executing a manipulation can lead to null pointer dereference. The attack can be launched remotely. The exploit has been published and may be used. This patch is called 3df1e30f9d7b77260e13bd0dbe1928ddeba8386e. Applying a patch is advised to resolve this issue.

CVSS metrics

9 scores · 3 sources · 4 versions

EPSS trend

Probability

0.59%

Chance of exploitation in the next 30 days

Percentile

48%

Versus all other CVEs

30-day change

+0.16 pp

From 0.43% on 22-09-2026

22-09-202622-10-2026
EPSS score
0.59%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.ghostscript.com)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Artifex1 product
  • mupdfb6d17493700c621c0e70036980a6ebd06d2202c9
Ubuntu1 product
  • mupdfAll versions (No fix recorded)

2 vendors · 2 products

References

10 links