An issue was discovered in Jansson through 2.13.1.
Priority LOW 36CWE-125Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- None
- User interaction
- None
- 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-125 and the CVSS impact.
Summary
An issue was discovered in Jansson through 2.13.1. Due to a parsing error in json_loads, there's an out-of-bounds read-access bug. NOTE: the vendor reports that this only occurs when a programmer fails to follow the API specification
Why it matters now
EPSS 0.01718 77th 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:jansson_project:jansson:*:*:*:*:*:*:*:* | up to 2.13.1 | Vulnerable | Jansson Project |
- cpe:2.3:a:jansson_project:jansson:*:*:*:*:*:*:*:* Versions up to 2.13.1 Vulnerable ·Jansson Project
Remediation
No fixed version listed by the sources yet.
Vendor assessments
Red Hat
Red Hat rating: Moderate. Red Hat's page for this CVE →
Not affected: 4 products
- Red Hat Enterprise Linux 7
- Red Hat Enterprise Linux 8
- Red Hat Enterprise Linux 9
- Red Hat JBoss Core Services
Timeline
- 2026-10-02 Threatist record created from CVE-2020-36325
- 2026-10-03 Alias added: GHSA-6p5j-2wf2-jfc6
References
More Jansson Project Jansson vulnerabilities
- TI-2016-03801 Jansson 2.7 and earlier allows context-dependent attackers to cause a denial of service… CVSS 3.1MEDIUM 6.5
- TI-2013-05357 Jansson, possibly 2.4 and earlier, does not restrict the ability to trigger hash… CVSS 2.0MEDIUM 5.0
Sources
- CVE-2020-36325 · CVE Program
- CVE-2020-36325 · NVD
- FIRST EPSS
- GHSA-6p5j-2wf2-jfc6 · GitHub Advisory Database · CC BY 4.0
- CVE-2020-36325 · Red Hat security data · CC BY 4.0
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences