CVE-2020-19609: artifex mupdf Out-of-bounds Write
CVSS: 5.5v3.1MediumModified
AliasesUBUNTU-CVE-2020-19609DEBIAN-CVE-2020-19609
Published 21-07-2021Last modified 04-08-2024
Vulnerability summary
CVE-2020-19609 is a medium (CVSS 5.5) Out-of-bounds Write vulnerability in artifex mupdf. EPSS estimates a 1.05% chance of exploitation in the next 30 days, higher than 63.6% of scored vulnerabilities. 1 public exploit is recorded.
CVSS score
5.5/10
010
Medium · v3.1 (NVD)EPSS score
1.05%
0%100%
Low · 0.00 pp in 30 daysKEVNot listedIn no KEV catalog
RansomwareNone recordedNo known use recorded
Public exploits1reference
Advisory lineage
Upstream 0 · Downstream 2 · Related 1Timeline
- 21-07-2021PublishedVulnerability first disclosed.
- 04-08-2024Last modifiedVulnerability information updated.
Description
Artifex MuPDF before 1.18.0 has a heap based buffer over-write in tiff_expand_colormap() function when parsing TIFF files allowing attackers to cause a denial of service.
CVSS metrics
4 scores · 3 sources · 2 versionsMedium 5.5Preferred score · NVD (NIST)
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:HSourcesAll 3 agree
- OSV · UbuntuEcosystem advisory · calculated5.5MediumCVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
- OSV · DebianEcosystem advisory · calculated5.5MediumCVSS:3.1/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
1.05%
Chance of exploitation in the next 30 days
Percentile
64%
Versus all other CVEs
30-day change
0.00 pp
From 1.05% on 19-09-2026
19-09-202619-10-2026
EPSS score1.05%
Known exploited
Compare KEV catalogsNot in any of the 3 tracked catalogs.
Public exploits
1 foundExploit Reference (bugs.ghostscript.com)
Maturity: unknown
Weaknesses
CWE · root causeAffected systems
Debian2 products
- mupdf< 1.17.0+ds1-2
- debian_linuxEOL9.0
Artifex1 product
- mupdf< 1.18.0
Ubuntu1 product
- mupdfAll versions (No fix recorded)
3 vendors · 4 products
References
9 links- bugs.ghostscript.com/show_bug.cgi?id=703076X Refsource MISCREPORTExploitIssue TrackingVendor Advisory
lists.debian.org/debian-lts-announce/2021/09/msg00013.htmlMailing ListX Refsource MLISTThird Party Advisory