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HIGH · 7.8

CVE-2026-21366

Memory corruption while processing a packet with a size close to the maximum allowed value.

Vulnerability Description

Memory corruption while processing a packet with a size close to the maximum allowed value.

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
QualcommLemans Au Lgit Firmware-
QualcommLemans Au Lgit-
QualcommLemansau Firmware-
QualcommLemansau-
QualcommQam8255P Firmware-
QualcommQam8255P-
QualcommQam8295P Firmware-
QualcommQam8295P-
QualcommQam8620P Firmware-
QualcommQam8620P-
QualcommQamsrv1H Firmware-
QualcommQamsrv1H-
QualcommQamsrv1M Firmware-
QualcommQamsrv1M-
QualcommQca6574Au Firmware-
QualcommQca6574Au-
QualcommQca6595 Firmware-
QualcommQca6595-
QualcommQca6595Au Firmware-
QualcommQca6595Au-

Related Weaknesses (CWE)

CWE-190

References

FAQ

What is CVE-2026-21366?

CVE-2026-21366 is a vulnerability with a CVSS score of 7.8 (HIGH). Memory corruption while processing a packet with a size close to the maximum allowed value.

How severe is CVE-2026-21366?

CVE-2026-21366 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-2026-21366?

Check the references section above for vendor advisories and patch information. Affected products include: Qualcomm Lemans Au Lgit Firmware, Qualcomm Lemans Au Lgit, Qualcomm Lemansau Firmware, Qualcomm Lemansau, Qualcomm Qam8255P Firmware.