Integer overflow in Blackberry Qnx_os_for_medical
CVE-2021-22156
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…
Vulnerability class: Integer Overflow
EPSS: 0.018 (75.7th percentile) — read the EPSS interpretation.
CVSS v3 metric
CVSS v3 base score 9.0 (Critical). Vector: CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:H.
Affected products
- Blackberry Qnx_os_for_medical
- Blackberry Qnx_os_for_safety
- Blackberry Qnx_software_development_platform — versions 6.5.0
- Blackberry Qnx Software Development Platform (Sdp), Os For Medical And Safety — versions 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
Weakness classification (CWE)
References
- secure@blackberry.com (Patch, x_refsource_MISC, Vendor Advisory)
- secure@blackberry.com (x_refsource_CISCO, vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2021-22156?
- CVE-2021-22156 is a critical-severity vulnerability in Blackberry Qnx_os_for_medical, classified under Integer Overflow or Wraparound. CVSS score: 9.0/10. Published 2021-08-17.
- How severe is CVE-2021-22156?
- Critical severity. CVSS v3 base score is 9.0 out of 10.