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HIGH · 7.8

CVE-2026-21372

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

Vulnerability Description

Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

CVSS Score

7.8

HIGH

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Attack Vector
LOCAL
Attack Complexity
LOW
Privileges Required
LOW
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
HIGH
Availability
HIGH

Affected Products

VendorProductVersions
QualcommCologne Firmware-
QualcommCologne-
QualcommFastconnect 6700 Firmware-
QualcommFastconnect 6700-
QualcommFastconnect 6900 Firmware-
QualcommFastconnect 6900-
QualcommFastconnect 7800 Firmware-
QualcommFastconnect 7800-
QualcommQcm5430 Firmware-
QualcommQcm5430-
QualcommQcm6490 Firmware-
QualcommQcm6490-
QualcommVideo Collaboration Vc3 Platform Firmware-
QualcommVideo Collaboration Vc3 Platform-
QualcommSnapdragon 460 Mobile Platform Firmware-
QualcommSnapdragon 460 Mobile Platform-
QualcommSnapdragon 662 Mobile Platform Firmware-
QualcommSnapdragon 662 Mobile Platform-
QualcommSnapdragon 7C\+ Gen 3 Compute Firmware-
QualcommSnapdragon 7C\+ Gen 3 Compute-

Related Weaknesses (CWE)

CWE-122

References

FAQ

What is CVE-2026-21372?

CVE-2026-21372 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory Corruption when sending IOCTL requests with invalid buffer sizes during memcpy operations.

How severe is CVE-2026-21372?

CVE-2026-21372 has been rated HIGH with a CVSS base score of 7.8/10. Review the CVSS metrics above for detailed severity breakdown.

Is there a patch for CVE-2026-21372?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Cologne Firmware, Qualcomm Cologne, Qualcomm Fastconnect 6700 Firmware, Qualcomm Fastconnect 6700, Qualcomm Fastconnect 6900 Firmware.