CVE-2022-45491 - Vulnerability Details - OpenCVE

Description

Buffer overflow vulnerability in function json_parse_value in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.

Published: 2023-02-03

Score: 7.8 High

EPSS: < 1% Very Low

KEV: No

Impact:

Action:

Analysis

Analysis and contextual insights are available on OpenCVE Cloud.

Default status is the baseline for the product, each version can override it (e.g. patched versions marked unaffected).

Vendor Product Default status Versions

n/a

n/a

affected

Version	Status	Constraints
`n/a`	affected	—

Configuration 1 [-]

cpe:2.3:a:json.h_project:json.h:*:*:*:*:*:*:*:*

No data.

No data available yet.

Remediation

No vendor fix or workaround currently provided.

Additional remediation guidance may be available on OpenCVE Cloud.

Tracking

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Advisories

Source	ID	Title
EUVD	EUVD-2022-48357	Buffer overflow vulnerability in function json_parse_value in sheredom json.h before commit 0825301a07cbf51653882bf2b153cc81fdadf41 (November 14, 2022) allows attackers to code arbitrary code and gain escalated privileges.

No CVSS v4.0

Attack Vector Local

Attack Complexity Low

Privileges Required Low

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction None

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

The EPSS score is 0.0014.

Exploitation none

Automatable no

Technical Impact total

References

Link	Providers
https://github.com/hyrathon/trophies/security/advisories/GHSA-55fm-gm4m-3v3j
https://github.com/sheredom/json.h/issues/94

History

Wed, 26 Mar 2025 19:15:00 +0000

Type	Values Removed	Values Added
Weaknesses		CWE-122
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Json.h Project Json.h

MITRE

Status: PUBLISHED

Assigner: mitre

Published: 2023-02-03T00:00:00.000Z

Updated: 2025-03-26T18:31:12.350Z

Reserved: 2022-11-21T00:00:00.000Z

Link: CVE-2022-45491

Vulnrichment

Updated: 2024-08-03T14:17:03.338Z

NVD

Status : Modified

Published: 2023-02-03T21:15:09.483

Modified: 2025-03-26T19:15:18.880

Link: CVE-2022-45491

Redhat

No data.

OpenCVE Enrichment

No data.

Weaknesses

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