CVE-2021-22156

State: Published
Severity: 9.0 Critical
Published: Aug 17, 2021
Updated: Aug 22, 2025
Reserved: Jan 4, 2021

Description

An integer overflow vulnerability in the calloc() function of the C runtime library of affected versions of BlackBerry® QNX Software Development Platform (SDP) version(s) 6.5.0SP1 and earlier, QNX OS for Medical 1.1 and earlier, and QNX OS for Safety 1.0.1 and earlier that could allow an attacker to potentially perform a denial of service or execute arbitrary code.

Scores

CVSS	Score	Vector	Source
3.1	9.0 Critical	CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H	blackberry

Weaknesses

CWE-190 Integer Overflow or Wraparound

Affected Products

Product	Versions
QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for SafetyBlackBerry	QNX SDP 6.5.0 SP1 and earlierAffected QNX OS for Medical 1.1 and earlierAffected QNX OS for Safety 1.0.1 and earlierAffected

References

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