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HIGH · 7.8

CVE-2026-21375

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

Vulnerability Description

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

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-
QualcommQca0000 Firmware-
QualcommQca0000-
QualcommQcm5430 Firmware-
QualcommQcm5430-
QualcommQcm6490 Firmware-
QualcommQcm6490-
QualcommVideo Collaboration Vc3 Platform Firmware-
QualcommVideo Collaboration Vc3 Platform-
QualcommSc8380Xp Firmware-
QualcommSc8380Xp-
QualcommSnapdragon 460 Mobile Platform Firmware-
QualcommSnapdragon 460 Mobile Platform-

Related Weaknesses (CWE)

CWE-126

References

FAQ

What is CVE-2026-21375?

CVE-2026-21375 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory Corruption when accessing an output buffer without validating its size during IOCTL processing.

How severe is CVE-2026-21375?

CVE-2026-21375 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-2026-21375?

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.