Is CVE-2021-45958 actively exploited?

CVE-2021-45958 has no public evidence of in-the-wild exploitation as of 2024-11-21.

What is the CVSS score for CVE-2021-45958?

CVE-2021-45958 has a CVSS score of 5.5 (MEDIUM severity). Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H.

How do I patch CVE-2021-45958?

Patch guidance is available from ultrajson project security advisories. CVEDatabase generates AI-assisted remediation guidance on demand for CVE-2021-45958.

CVE-2021-45958 - remediation guidance & executive summary

Q: Which products are affected by CVE-2021-45958?

5 products: ultrajson project ultrajson, debian debian linux, fedoraproject fedora, fedoraproject fedora, fedoraproject fedora.

Description

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.

CVSS Metrics

Vector: CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Attack Vector: local
Complexity: low
Privileges: none
User Action: required
Scope: unchanged
Confidentiality: none
Integrity: none
Availability: high
Weaknesses: CWE-787 · Out-of-bounds Write

Metadata

Primary Vendor: ULTRAJSON_PROJECT
Published: 1/1/2022
Last Modified: 11/21/2024
Source: NIST NVD
Note: Verify all details with official vendor sources before applying patches.

Affected Products

ultrajson_project : ultrajsondebian : debian_linuxfedoraproject : fedorafedoraproject : fedorafedoraproject : fedora

Remediation Guidance

Executive Summary

View on NIST NVD