CVE-2018-1000040: artifex mupdf Improper Input Validation
Vulnerability summary
CVE-2018-1000040 is a medium (CVSS 5.5) Improper Input Validation vulnerability in artifex mupdf. EPSS estimates a 1.45% chance of exploitation in the next 30 days, higher than 72.9% of scored vulnerabilities. 5 public exploits are recorded.
Advisory lineage
Upstream 0 · Downstream 1Timeline
- 24-05-2018PublishedVulnerability first disclosed.
- 05-08-2024Last modifiedVulnerability information updated.
Description
In Artifex MuPDF 1.12.0 and earlier, multiple use of uninitialized value bugs in the PDF parser could allow an attacker to cause a denial of service (crash) or influence program flow via a crafted file.
CVSS metrics
4 scores · 3 sources · 2 versions- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS trend
Probability
1.45%
Chance of exploitation in the next 30 days
Percentile
73%
Versus all other CVEs
30-day change
-0.02 pp
From 1.47% on 18-09-2026
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
5 foundExploit Reference (bugs.chromium.org)
Maturity: unknown
Exploit Reference (bugs.chromium.org)
Maturity: unknown
Exploit Reference (bugs.chromium.org)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- mupdf< 1.13.0+ds1-1
- debian_linuxEOL9.0
Artifex1 product
- mupdf≤ 1.12.0
Ubuntu1 product
- mupdfAll versions (No fix recorded)
3 vendors · 4 products
References
15 links
- bugs.chromium.org/p/oss-fuzz/issues/detail?id=5609ExploitIssue TrackingPatchThird Party AdvisoryREPORT