Out-of-bounds Write Affecting ujson package, versions <5.2.0-1


Severity

Recommended
0.0
medium
0
10

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Threat Intelligence

EPSS
0.1% (43rd percentile)

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  • Snyk IDSNYK-DEBIANUNSTABLE-UJSON-2329045
  • published1 Jan 2022
  • disclosed1 Jan 2022

Introduced: 1 Jan 2022

CVE-2021-45958  (opens in a new tab)
CWE-787  (opens in a new tab)

How to fix?

Upgrade Debian:unstable ujson to version 5.2.0-1 or higher.

NVD Description

Note: Versions mentioned in the description apply only to the upstream ujson package and not the ujson package as distributed by Debian. See How to fix? for Debian:unstable relevant fixed versions and status.

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 Base Scores

version 3.1