CVE-2022-45494

View on CVE.org

Published Jan 31, 2023 CVSS 3.1 · 7.8 High EPSS < 1% KEV · Not listed

Description

Buffer overflow vulnerability in function json_parse_object 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-2022-48360	Buffer overflow vulnerability in function json_parse_object 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 None

Scope Unchanged

Confidentiality Impact High

Integrity Impact High

Availability Impact High

User Interaction Required

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

Exploit prediction score: < 1% (0.425% probability within 30 days)

Exploitation poc

Automatable no

Technical Impact total

References

Link	Providers
https://github.com/hyrathon/trophies/security/advisories/GHSA-wvpq-p7pp-cj6m
https://github.com/sheredom/json.h
https://github.com/sheredom/json.h/issues/93
https://github.com/sheredom/json.h/issues/97

History

Mar 27, 2025 7:15 PM Scoring metrics updated View changes

Type	Values Removed	Values Added
Metrics		ssvc `{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'total'}, 'version': '2.0.3'}`

Subscriptions

Json.h Project Json.h

Weaknesses

CWE-787

Sources

CVE record Updated: Mar 27, 2025, 6:30 PM

Status: PUBLISHED
Assigner: mitre
Published: Jan 31, 2023, 12:00 AM
Updated: Mar 27, 2025, 6:30 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: Jan 31, 2023, 10:15 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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