Vulnerability · CVE-2018-19543
An issue was discovered in JasPer 2.0.14.
Published Nov 26, 2018 · catalog updated Oct 15, 2026 · jasper project
Check if you run it
No confirmed exploitation is on record for CVE-2018-19543. EPSS is 1.55%. Act only if a listed version of jasper project is installed.
Gaps on this record
- No vendor fix or required action is stored. Compare the linked advisory before you change production.
- Severity
- High7.8
- Known exploitation
- Not in CISA/VulnCheck KEV
- EPSS
- 1.55%
- Remediation
- Advisory link
- Affected products
- cpe canonical/ubuntu linux · cpe debian/debian linux · cpe jasper project/jasper · cpe suse/linux enterprise desktop · cpe suse/linux enterprise server
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.
Are you affected?
Enter the version you run. The result uses only the ranges stored on this record.
The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.
- cpe canonical/ubuntu linux14.04
- cpe canonical/ubuntu linux16.04
- cpe debian/debian linux8.0
- cpe jasper project/jasper2.0.14
- cpe suse/linux enterprise desktop12
- cpe suse/linux enterprise server11
How to fix CVE-2018-19543
Recommended remediation
A patch or advisory reference is linked. Open the original publisher for availability by product version.
Official advisories
What to do
Three questions, each answered from this record only. Confirm the vendor advisory before you patch.
Should you patch?
No confirmed exploitation is on record for CVE-2018-19543. EPSS is 1.55%. Act only if a listed version of jasper project is installed.
Which versions are affected?
Compare what you have installed with canonical/ubuntu linux 14.04; canonical/ubuntu linux 16.04; debian/debian linux 8.0; jasper project/jasper 2.0.14. Compare the installed version with the linked vendor advisory before you change production.
What should an analyst verify?
CWE-125: Out-of-bounds Read. EPSS 1.55%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.
Code
The project this record applies to. Exploit listings stay in References.
No public source repository is identified for this product.
Timeline
Detection, updates, and resolution for this record.
Nov 26, 2018 · NIST NVD
Detected
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.
Jun 17, 2026 · NIST NVD
Updated
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.
Oct 15, 2026 · NIST NVD
Updated
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.
Sources
- CVE.orgVulnerability recordCVE-2018-19543
Official CVE identifier
cve.org - FIRST EPSSExploitation probabilityCVE-2018-19543
30-day exploitation probability 1.6%
first.org - NIST NVDVulnerability recordCVE-2018-19543
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.
nvd.nist.gov
References
Freshness
Last verified in this catalog Oct 16, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.