PyPi: Ujson

CVE-2021-45958

Safety vulnerability ID: 46499

This vulnerability was reviewed by experts

The information on this page was manually curated by our Cybersecurity Intelligence Team.

Created at Jan 01, 2022 Updated at May 14, 2024

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Advisory

UltraJSON (aka ujson) through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode). Exploitation can, for example, use a large amount of indentation.

Affected package

ujson

Latest version: 5.10.0

Ultra fast JSON encoder and decoder for Python

Affected versions

Fixed versions

Vulnerability changelog

This vulnerability has no description

Resources

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Severity Details

CVSS Base Score

MEDIUM 5.5

CVSS v3 Details

MEDIUM 5.5

Attack Vector (AV): LOCAL
Attack Complexity (AC): LOW
Privileges Required (PR): NONE
User Interaction (UI): REQUIRED
Scope (S): UNCHANGED
Confidentiality Impact (C): NONE
Integrity Impact (I): NONE
Availability Availability (A): HIGH

CVSS v2 Details

MEDIUM 4.3

Access Vector (AV): NETWORK
Access Complexity (AC): MEDIUM
Authentication (Au): NONE
Confidentiality Impact (C): NONE
Integrity Impact (I): NONE
Availability Impact (A): PARTIAL