JasPer 2.0.14 allows remote attackers to cause a denial of service (application hang) via an attempted conversion to the jp2 format.

published 2018-12-30 7y ago modified 2026-06-17 4mo ago also EUVD-2018-13137

cvss: 6.5; version 3.1, NVD
cisa kev: Not listed; not in CISA's catalog
epss: 2.9%; EPSS 2.9% chance of exploitation in 30 days, percentile 86%
public exploits: 0; none known

Patch / fix

links 1

oracle.com/security-alerts/cpuapr2020.html advisory

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Vendor advisories

What the vendors themselves say about their products: affected, fixed or not affected, and what to do.

red hat product security vex CVE-2018-20584 updated 2026-11-07 cvss 3.3

jasper: DoS / hang when converting to jp2 format

Red Hat Enterprise Linux 5 netpbm Red Hat Enterprise Linux 6 jasper, jasper-libs, jasper-utils Red Hat Enterprise Linux 7 jasper, jasper-libs, jasper-utils Red Hat Enterprise Linux 8 jasper, jasper-libs
not affected: vulnerable code not present

Red Hat CSAF VEX © Red Hat, Inc., from https://security.access.redhat.com/data/csaf/v2/vex/; changed: reduced to product statuses and remediations. CC BY 4.0 · csaf

Exploit prediction

2.88% chance of exploitation in the next 30 days, higher than 86% of all scored CVEs (FIRST EPSS, 2026-11-09).

Exploits and checks

github.com https://github.com/mdadams/jasper/issues/192 referenced PoC, tagged "exploit" by a source, unverified

CVSS scores

assigned by	version	score	vector
NVD	3.1	6.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
NVD	2.0	4.3	AV:N/AC:M/Au:N/C:N/I:N/A:P

References

oracle.com /security-alerts/cpuapr2020.html
patch, third-party-advisory
github.com /mdadams/jasper/issues/192
exploit, third-party-advisory
security.gentoo.org /glsa/201908-03
vendor-advisory, third-party-advisory
lists.debian.org /debian-lts-announce/2019/01/msg00003.html
mailing-list, third-party-advisory
securityfocus.com /bid/106356
vdb-entry, broken-link, third-party-advisory

Sources

CVE List CVE-2018-20584
NVD CVE-2018-20584

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