jp2_encode in jp2/jp2_enc.c in JasPer 2.0.14 has a heap-based buffer over-read.
Priority LOW 33CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- Will not fix Red Hat: no fix planned
Attack profile from CVSS 3.0 · NVD. Fix status from CNA and Red Hat. Impact type from CWE-125 and the CVSS impact.
Summary
jp2_encode in jp2/jp2_enc.c in JasPer 2.0.14 has a heap-based buffer over-read.
Why it matters now
EPSS 0.02237 82nd percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix Will not fix Red Hat: no fix planned
SSVC decision points
Not available: CISA has not published SSVC decision points for this record.
Affected products
| Vendor | Product | Affected versions | Fixed in | Status | Source |
|---|---|---|---|---|---|
| — | — | all versions | — | No fix listed | CNA |
- — Vendor— Affected all versions Fixed in — No fix listed CNA
CPE configurations NVD · 2
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jasper_project:jasper:2.0.14:*:*:*:*:*:*:* | 2.0.14 | Vulnerable | The Jasper Project |
| cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* | 8.0 | Vulnerable | Debian |
- cpe:2.3:a:jasper_project:jasper:2.0.14:*:*:*:*:*:*:* Versions 2.0.14 Vulnerable ·The Jasper Project
- cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* Versions 8.0 Vulnerable ·Debian
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Low. Red Hat's page for this CVE →
| Product | Status | Plan or fix |
|---|---|---|
| Red Hat Enterprise Linux 5 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 6 | Affected | No fix planned: Out of support scope |
| Red Hat Enterprise Linux 7 | Affected | No fix planned: Will not fix |
| Red Hat Enterprise Linux 8 | Affected | No fix planned: Will not fix |
Timeline
- 2026-10-02 Threatist record created from CVE-2018-20570
- 2026-10-03 Alias added: GHSA-j3h5-m47q-9g35
References
Sources
- CVE-2018-20570 · CVE Program
- CVE-2018-20570 · NVD
- FIRST EPSS
- GHSA-j3h5-m47q-9g35 · GitHub Advisory Database · CC BY 4.0
- CVE-2018-20570 · Red Hat security data · CC BY 4.0
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