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UltraJSON vulnerable to Out-of-bounds Write

Moderate severity GitHub Reviewed Published Jan 21, 2022 to the GitHub Advisory Database • Updated Jan 30, 2023

Package

pip ujson (pip)

Affected versions

>= 1.34, < 5.2.0

Patched versions

5.2.0

Description

UltraJSON (aka ujson) 1.34 through 5.1.0 has a stack-based buffer overflow in Buffer_AppendIndentUnchecked (called from encode).

References

Published by the National Vulnerability Database Jan 1, 2022
Reviewed Jan 12, 2022
Published to the GitHub Advisory Database Jan 21, 2022
Last updated Jan 30, 2023

Severity

Moderate
5.5
/ 10

CVSS base metrics

Attack vector
Local
Attack complexity
Low
Privileges required
None
User interaction
Required
Scope
Unchanged
Confidentiality
None
Integrity
None
Availability
High
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

Weaknesses

CVE ID

CVE-2021-45958

GHSA ID

GHSA-fh56-85cw-5pq6

Source code

Credits

Checking history
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