by Kastro
Paper/Archive/CVE-2021-22156

CVE-2021-22156

BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety — An integer overflow vulnerability in the calloc() function of the C runtime library of affected versions of BlackBerry® QNX Software Deve…

EPSS 2%CVSS 9.8
critical.is priorityof 100
45
CVSS 9.8 (NVD)9.8 / 10 × 3029.4Not in CISA KEV+300.0EPSS percentile 78.4.784 × 2015.7No public exploit+100.0SSVC exploitation: unknown+100.0
Description · from the CVE record

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.

Affected

ProductAffectedFixed inSource
QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for SafetyQNX SDP 6.5.0 SP1 and earlier–CNA
QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for SafetyQNX OS for Medical 1.1 and earlier–CNA
QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for SafetyQNX OS for Safety 1.0.1 and earlier–CNA

Scores by source

NVD9.8CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
blackberry (CNA)9.0CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H

References

refsupport.blackberry.com/kb/articleDetail?articleNumber=000082334advisorytools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL