Buffer overflow vulnerability in function json_parse_string in sheredom json.h before…
Priority MEDIUM 41CWE-787Published · Updated
Key facts
- Attack vector
- Network
- Privileges required
- Low
- User interaction
- None
- Attack complexity
- Low
- Impact type
- Code execution
- Confidentiality · integrity · availability
- High · High · High
- Fix status
- No fix listed
Attack profile from CVSS 3.1 · CISA ADP. Fix status from CNA. Impact type from CWE-787 and the CVSS impact.
Summary
Buffer overflow vulnerability in function json_parse_string in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.
Why it matters now
Exploitation None reported CISA SSVC · not in CISA KEV
EPSS 0.00559 46th percentileScored 2026-11-07
Fix No fix listed No fixed version in the sources yet
SSVC decision points
CISA ADP · SSVC 2.0.3
- Exploitation
- None
- Automatable
- No
- Technical impact
- Total
The decision (Track, Attend, Act) also depends on your mission and well-being impact; see CISA's SSVC guide.
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:json.h_project:json.h:*:*:*:*:*:*:*:* | before 2022-11-14 | Vulnerable | Json.h Project |
- cpe:2.3:a:json.h_project:json.h:*:*:*:*:*:*:*:* Versions before 2022-11-14 Vulnerable ·Json.h Project
Remediation
No fixed version listed by the sources yet.
Timeline
- 2026-10-02 Threatist record created from CVE-2022-45496
References
More Json.h Project Json.h vulnerabilities
- TI-2022-22446 Buffer overflow vulnerability in function json_parse_object in sheredom json.h before… CVSS 3.1HIGH 7.8
- TI-2022-22443 Buffer overflow vulnerability in function json_parse_value in sheredom json.h before… CVSS 3.1HIGH 7.8
- TI-2022-22445 Buffer overflow vulnerability in function json_parse_key in sheredom json.h before commit… CVSS 3.1HIGH 7.8
- TI-2022-22444 Buffer overflow vulnerability in function json_parse_number in sheredom json.h before… CVSS 3.1HIGH 7.8
Sources
This product uses the NVD API but is not endorsed or certified by the NVD. Sources and licences