Skip to content
OpenAdvisories
Critical · 9.0 CVE-2021-22156 EUVD-2021-9303GHSA-x456-hhph-f575

An integer overflow vulnerability in the calloc() function of the C runtime library of affected versions of BlackBerry® QNX Software Develo…

Published Aug 17, 2021 · Updated Aug 22, 2025 · Assigned by blackberry

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.

Affected products

VendorProductAffectedFixed
BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety QNX SDP 6.5.0 SP1 and earlier, QNX OS for Medical 1.1 and earlier, QNX OS for Safety 1.0.1 and earlier —

Advisories 1

References