CVE-2022-45491

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Published Feb 3, 2023 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

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.

Affected Products

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 solution or workaround provided in the CVE record

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.

Metrics

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.

Exploit prediction score: < 1% (0.273% probability within 30 days)

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

Mar 26, 2025 7:15 PM Weaknesses updated. Scoring metrics updated View changes

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

Weaknesses

Sources

CVE record Updated: Mar 26, 2025, 6:31 PM

Status: PUBLISHED
Assigner: mitre
Published: Feb 3, 2023, 12:00 AM
Updated: Mar 26, 2025, 6:31 PM
Reserved: Nov 21, 2022, 12:00 AM

View source JSON

Vulnrichment Updated: Aug 3, 2024, 2:17 PM

Updated: Aug 3, 2024, 2:17 PM

NVD Updated: Jun 17, 2026, 5:10 AM

Status: Modified
Published: Feb 3, 2023, 9:15 PM
Modified: Jun 17, 2026, 5:10 AM

View source JSON

Red Hat No data

No data.

OpenCVE enrichment No data

No data.

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