A Divide-by-zero vulnerability exists in JasPer Image Coding Toolkit 2.0 in jasper/src/libjasper/jpc/jpc_enc.c
Priority LOW 26CWE-369Published · Updated
Key facts
- Attack vector
- Local
- Privileges required
- None
- User interaction
- Required
- Attack complexity
- Low
- Impact type
- Denial of service
- Confidentiality · integrity · availability
- None · None · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · NVD. Fix status from CNA. Impact type from CWE-369.
Summary
A Divide-by-zero vulnerability exists in JasPer Image Coding Toolkit 2.0 in jasper/src/libjasper/jpc/jpc_enc.c
Why it matters now
EPSS 0.00653 51st percentileScored 2026-11-07
Public exploit Yes 1 exploit referenceTagged by NVD
Fix No fix listed No fixed version in the sources yet
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 · 1
| CPE | Versions | Role | Vendor |
|---|---|---|---|
| cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:* | 2.0.0 to before 2.0.17 | Vulnerable | The Jasper Project |
- cpe:2.3:a:jasper_project:jasper:*:*:*:*:*:*:*:* Versions 2.0.0 to before 2.0.17 Vulnerable ·The Jasper Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2021-27845
- 2026-10-03 Alias added: GHSA-6xx8-4xh5-jh9w
- 2026-10-14 EPSS moved to the 50th–90th percentile
References
More The Jasper Project Jasper vulnerabilities
- TI-2022-02737 Memory leak in jasper CVSS 3.1HIGH 7.5
- TI-2023-27963 An invalid memory write issue in Jasper-Software Jasper v.4.1.1 and before allows a local… CVSS 3.1HIGH 7.8
- TI-2025-08088 JasPer JPEG2000 File jpc_dec.c jpc_dec_dump use after free CVSS 4.0MEDIUM 4.8
- TI-2025-08087 JasPer JPEG2000 Encoder jpc_enc.c jpc_floorlog2 assertion CVSS 4.0MEDIUM 4.8
- TI-2025-08086 JasPer Image Color Space Conversion jas_image.c jas_image_chclrspc null pointer dereference CVSS 4.0MEDIUM 4.8
- TI-2014-06753 Heap-based buffer overflow in the jp2_decode function in JasPer 1.900.1 and earlier… CVSS 2.0HIGH 7.5
Sources
- CVE-2021-27845 · CVE Program
- CVE-2021-27845 · NVD
- FIRST EPSS
- GHSA-6xx8-4xh5-jh9w · GitHub Advisory Database · CC BY 4.0
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