CVE-2018-18662: artifex mupdf Out-of-bounds Read
CVSS: 5.5v3.0MediumModified
AliasesUBUNTU-CVE-2018-18662DEBIAN-CVE-2018-18662
Published 26-10-2018Last modified 12-09-2024
Vulnerability summary
CVE-2018-18662 is a medium (CVSS 5.5) Out-of-bounds Read vulnerability in artifex mupdf. EPSS estimates a 1.61% chance of exploitation in the next 30 days, higher than 75.5% of scored vulnerabilities. 2 public exploits are recorded.
CVSS score
5.5/10
010
Medium · v3.0 (NVD)EPSS score
1.61%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits2github, reference
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 26-10-2018PublishedVulnerability first disclosed.
- 12-09-2024Last modifiedVulnerability information updated.
Description
There is an out-of-bounds read in fz_run_t3_glyph in fitz/font.c in Artifex MuPDF 1.14.0, as demonstrated by mutool.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- 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
Medium 4.3Preferred score · NVD (NIST)
AV:N/AC:M/Au:N/C:N/I:N/A:PSourcesSingle source
EPSS trend
Probability
1.61%
Chance of exploitation in the next 30 days
Percentile
76%
Versus all other CVEs
30-day change
0.00 pp
From 1.61% on 19-09-2026
19-09-202619-10-2026
EPSS score1.61%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
2 foundPocs
Maturity: poc
Exploit Reference (bugs.ghostscript.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Artifex1 product
- mupdf1.14.0
Debian1 product
- mupdf< 1.14.0+ds1-3
Ubuntu1 product
- mupdfAll versions (No fix recorded)
3 vendors · 3 products
