7.8

CVE-2018-1000038: artifex mupdf Out-of-bounds Write

CVSS: 7.8v3.0HighModified
AliasesUBUNTU-CVE-2018-1000038DEBIAN-CVE-2018-1000038
Published 24-05-2018Last modified 05-08-2024
Open JSON

Vulnerability summary

CVE-2018-1000038 is a high (CVSS 7.8) Out-of-bounds Write vulnerability in artifex mupdf. EPSS estimates a 1.94% chance of exploitation in the next 30 days, higher than 79.8% of scored vulnerabilities. 1 public exploit is recorded.

Overall risk
42/100
0100
Medium · default modelHow is this calculated?
CVSS score
7.8/10
010
High · v3.0 (NVD)
EPSS score
1.94%
0%100%
Low · -0.03 pp in 30 days
KEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference

Timeline

  1. 24-05-2018
    PublishedVulnerability first disclosed.
  2. 05-08-2024
    Last modifiedVulnerability information updated.

Description

In Artifex MuPDF 1.12.0 and earlier, a stack buffer overflow in function pdf_lookup_cmap_full in pdf/pdf-cmap.c could allow an attacker to execute arbitrary code via a crafted file.

CVSS metrics

4 scores · 3 sources · 2 versions

EPSS trend

Probability

1.94%

Chance of exploitation in the next 30 days

Percentile

80%

Versus all other CVEs

30-day change

-0.03 pp

From 1.97% on 18-09-2026

18-09-202618-10-2026
EPSS score
1.94%

Known exploited

Compare KEV catalogs

Not in any of the 3 tracked catalogs.

Public exploits

1 found
  • referenceUnverified

    Exploit Reference (bugs.chromium.org)

    Maturity: unknown

Weaknesses

CWE · root cause

Affected systems

Artifex1 product
Debian1 product
  • mupdf< 1.13.0+ds1-1
Ubuntu1 product
  • mupdfAll versions (No fix recorded)

3 vendors · 3 products

References

10 links