---
id: CVE-2018-19543
title: An issue was discovered in JasPer 2.0.14
summary: >-
  An issue was discovered in JasPer 2.0.14. There is a heap-based buffer
  over-read of size 8 in the function jp2_decode in libjasper/jp2/jp2_dec.c.
severity: high
cvss: 7.8
cvssVector: 'CVSS:3.0/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H'
cwe:
  - CWE-125
vendor: jasper_project
product: jasper
affected:
  - jasper = 2.0.14
  - ubuntu_linux = 14.04
  - ubuntu_linux = 16.04
  - debian_linux = 8.0
  - linux_enterprise_desktop = 12
  - linux_enterprise_server = 11
  - linux_enterprise_server = 12
published: '2018-11-26'
updated: '2026-10-15'
sourceUpdated: '2026-10-15T18:17:17.853'
source: NVD
sourceUrl: 'https://nvd.nist.gov/vuln/detail/CVE-2018-19543'
references:
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00082.html'
    label: cve@mitre.org
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00085.html'
    label: cve@mitre.org
  - url: 'https://github.com/mdadams/jasper/issues/182'
    label: cve@mitre.org
  - url: 'https://www.oracle.com/security-alerts/cpuapr2020.html'
    label: cve@mitre.org
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00082.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'http://lists.opensuse.org/opensuse-security-announce/2020-09/msg00085.html'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://github.com/mdadams/jasper/issues/182'
    label: af854a3a-2127-422b-91ae-364da2661108
  - url: 'https://www.oracle.com/security-alerts/cpuapr2020.html'
    label: af854a3a-2127-422b-91ae-364da2661108
tags:
  - nvd
  - cve.org
ssvc:
  exploitation: none
  automatable: 'no'
  technicalImpact: partial
  timestamp: '2026-10-15T17:40:11.463534Z'
epss: 0.01553
epssPercentile: 0.74665
ingestedAt: '2026-10-15T18:23:58.399Z'
---

## Overview

An issue was discovered in JasPer 2.0.14. There is a heap-based buffer over-read of size 8 in the function jp2_decode in libjasper/jp2/jp2_dec.c.

## Affected

- `jasper = 2.0.14`
- `ubuntu_linux = 14.04`
- `ubuntu_linux = 16.04`
- `debian_linux = 8.0`
- `linux_enterprise_desktop = 12`
- `linux_enterprise_server = 11`
- `linux_enterprise_server = 12`

## Remediation

Refer to the linked advisories for vendor-supplied fixes and affected version ranges.