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NVD Vulnerability Details :
CVE-2021-22156
Modified
More InfoOfficial Page
Source-secure@blackberry.com
View Known Exploited Vulnerability (KEV) details
Published At-17 Aug, 2021 | 19:15
Updated At-22 Aug, 2025 | 16:15

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.

CISA Catalog
Date AddedDue DateVulnerability NameRequired Action
N/A
Date Added: N/A
Due Date: N/A
Vulnerability Name: N/A
Required Action: N/A
Metrics
TypeVersionBase scoreBase severityVector
Secondary3.19.0CRITICAL
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Primary3.19.8CRITICAL
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Primary2.06.8MEDIUM
AV:N/AC:M/Au:N/C:P/I:P/A:P
Type: Secondary
Version: 3.1
Base score: 9.0
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H
Type: Primary
Version: 3.1
Base score: 9.8
Base severity: CRITICAL
Vector:
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Type: Primary
Version: 2.0
Base score: 6.8
Base severity: MEDIUM
Vector:
AV:N/AC:M/Au:N/C:P/I:P/A:P
CPE Matches
BlackBerry Limited
blackberry
>>qnx_software_development_platform>>Versions before 6.5.0(exclusive)
cpe:2.3:a:blackberry:qnx_software_development_platform:*:*:*:*:*:*:*:*
BlackBerry Limited
blackberry
>>qnx_software_development_platform>>6.5.0
cpe:2.3:a:blackberry:qnx_software_development_platform:6.5.0:-:*:*:*:*:*:*
BlackBerry Limited
blackberry
>>qnx_software_development_platform>>6.5.0
cpe:2.3:a:blackberry:qnx_software_development_platform:6.5.0:sp1:*:*:*:*:*:*
BlackBerry Limited
blackberry
>>qnx_os_for_medical>>Versions up to 1.1.1(inclusive)
cpe:2.3:o:blackberry:qnx_os_for_medical:*:*:*:*:*:*:*:*
BlackBerry Limited
blackberry
>>qnx_os_for_safety>>Versions up to 1.0.2(inclusive)
cpe:2.3:o:blackberry:qnx_os_for_safety:*:*:*:*:*:*:*:*
Weaknesses
CWE IDTypeSource
CWE-190Secondarysecure@blackberry.com
CWE-190Primarynvd@nist.gov
CWE ID: CWE-190
Type: Secondary
Source: secure@blackberry.com
CWE ID: CWE-190
Type: Primary
Source: nvd@nist.gov
Evaluator Description
Evaluator Impact

Evaluator Solution

Vendor Statements
References
HyperlinkSourceResource
https://support.blackberry.com/kb/articleDetail?articleNumber=000082334secure@blackberry.com
Patch
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdLsecure@blackberry.com
Third Party Advisory
https://support.blackberry.com/kb/articleDetail?articleNumber=000082334af854a3a-2127-422b-91ae-364da2661108
Patch
Vendor Advisory
https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdLaf854a3a-2127-422b-91ae-364da2661108
Third Party Advisory
Hyperlink: https://support.blackberry.com/kb/articleDetail?articleNumber=000082334
Source: secure@blackberry.com
Resource:
Patch
Vendor Advisory
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL
Source: secure@blackberry.com
Resource:
Third Party Advisory
Hyperlink: https://support.blackberry.com/kb/articleDetail?articleNumber=000082334
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Patch
Vendor Advisory
Hyperlink: https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL
Source: af854a3a-2127-422b-91ae-364da2661108
Resource:
Third Party Advisory
Change History
0Changes found
Details not found