CVE-2021-22156

mediumPriorität · verfolgen · 40EPSS 0.018 · 78. PerzentilCAEURUUS

grimoire priorityP3 · Track

Exploitable?

—

no known exploitation

Likely / severe?

1.79% (78th) EPSS

CVSS 6.8 · medium

Is it mine?

10 products

Prüfe deine Angriffsfläche

Who says so?

5 sources

cnnvd · enisa_euvd · fstec_bdu · nvd

EPSS · bewertet 2026-10-27

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.

Behebungen

Hersteller-Fix, Mitigation oder Workaround, wie von den Quellen veröffentlicht.

Kein Fix verfügbar; Exposition mindern.

Kein Fix verfügbarcisco_csaf
No remediation is available at this time.

cvss

Technischer Schweregrad, 0–10. Eine Zeile je Quelle.

9.8

010

Basiswert 0–10 · höher = schwerwiegender · Vektor überfahren zum Auflösen⚠ Quellen uneinig · medium–critical · 6.8–9.8

v2.06.8mediumAV:N/AC:M/Au:N/C:P/I:P/A:Pprimary · NVD / NIST USAusnutzbarkeit 8.6 · Auswirkung 6.4

v3.19.8criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hprimary · NVD / NIST USAusnutzbarkeit 3.9 · Auswirkung 5.9

v3.19.8criticalAV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:Hsecondary · FSTEC (BDU) RU

v3.19criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · ENISA EU

v3.19criticalCVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:C/C:H/I:H/A:Hsecondary · secure@blackberry.com CAAusnutzbarkeit 2.2 · Auswirkung 6

v3.19criticalCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H/E:Usecondary · CVSS-BT (t0sche)

schwächen

Die CWE-Schwächeklassen, zu denen dies gehört.

CWE-190USprimärCWE-190US

betroffene Produkte (10)

Betroffene Produkte und Versionsbereiche.

BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety≤ QNX OS for Safety 1.0.1 and earlierenisa_euvdEU
BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety≤ QNX OS for Medical 1.1 and earlierenisa_euvdEU
BlackBerry QNX Software Development Platform (SDP), QNX OS for Medical and QNX OS for Safety≤ QNX SDP 6.5.0 SP1 and earlierenisa_euvdEU
BlackBerry Limited QNX≤ 6.5.0SP1fstec_bduRU
BlackBerry Limited QNX≤ 1.1.1fstec_bduRU
BlackBerry Limited QNX≤ 1.0.2fstec_bduRU
blackberry qnx os for medical≤ 1.1.1nvdUScpe:2.3:o:blackberry:qnx_os_for_medical:*:*:*:*:*:*:*:*
blackberry qnx os for safety≤ 1.0.2nvdUScpe:2.3:o:blackberry:qnx_os_for_safety:*:*:*:*:*:*:*:*
blackberry qnx software development platform< 6.5.0nvdUScpe:2.3:a:blackberry:qnx_software_development_platform:*:*:*:*:*:*:*:*
blackberry qnx software development platform= 6.5.0nvdUScpe:2.3:a:blackberry:qnx_software_development_platform:*:*:*:*:*:*:*:*

Advisories (1)

Hersteller- und Ökosystem-Meldungen dazu.

cisco-sa-qnx-TOxjVPdLBlackBerry QNX-2021-001 Vulnerability Affecting Cisco Products: August 20212021-08-18csaf · cisco_csafUS
On August 17, 2021, BlackBerry released a security advisory, QNX-2021-001 ["https://support.blackberry.com/kb/articleDetail?articleNumber=000082334"], that disclosed an integer overflow vulnerability in the following BlackBerry software releases: QNX Software Development Platform (SDP) – 6.5.0SP1 and earlier QNX OS for Medical – 1.1 and earlier QNX OS for Safety – 1.0.1 and earlier A successful exploit could allow an attacker to execute arbitrary code or cause a denial of service (DoS). For a description of this vulnerability, see QNX-2021-001 ["https://support.blackberry.com/kb/articleDetail?articleNumber=000082334"]. This advisory is available at the following link: https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL ["https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-qnx-TOxjVPdL"]

auch bekannt als (4)

Weitere Namen und Kennungen dieser Entität.

quellen

Welche Quellen diesen Datensatz belegen und wann.

cnnvd enisa_euvd fstec_bdu nvd cisco_csaf NVD CVE.org MITRE

veröffentlicht 2021-08-17geändert 2026-06-17

verwandt (4,649)

Verwandte Einträge.

ID	Schweregrad	EPSS	ausnutzbar	veröffentlicht
CVE-2025-48595US	—OT kritisch	1.95% (80th)	KEV	2026-06-01
In multiple locations, there is a possible way to achieve code execution due to an integer overflow. This could lead to local escalation of privilege with no additional execution p…
CVE-2026-21385US	—OT kritisch	1.29% (70th)	KEV	2026-03-02
Memory corruption while using alignments for memory allocation.
CVE-2025-24985US	—OT kritisch	3.89% (90th)	KEV	2025-03-11
Integer overflow or wraparound in Windows Fast FAT Driver allows an unauthorized attacker to execute code locally.
CVE-2024-38080US	—OT kritisch	7.12% (94th)	KEV	2024-07-09
Windows Hyper-V Elevation of Privilege Vulnerability
CVE-2023-33107US	high7.8OT kritisch	0.74% (54th)	KEV	2023-12-05
Memory corruption in Graphics Linux while assigning shared virtual memory region during IOCTL call.

+4644 weitere

Referenzen (11)

Externe Belege — Patches, Meldungen, Analysen.

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