CVE-2021-30311

Severity: high (CVSS 7.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.2% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2022-01-13 · updated 2026-06-17
Weakness: CWE-129

Description

Possible heap overflow due to lack of index validation before allocating and writing to heap buffer in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Industrial IOT, Snapdragon Mobile

Affected products

Qualcomm Ar8035 Firmware: all versions
Qualcomm Qca6390 Firmware: all versions
Qualcomm Qca6391 Firmware: all versions
Qualcomm Qca6426 Firmware: all versions
Qualcomm Qca6436 Firmware: all versions
Qualcomm Qca6574A Firmware: all versions
Qualcomm Qca6574Au Firmware: all versions
Qualcomm Qca6595Au Firmware: all versions
Qualcomm Qca6696 Firmware: all versions
Qualcomm Qca8081 Firmware: all versions
Qualcomm Qca8337 Firmware: all versions
Qualcomm Qcm6490 Firmware: all versions
Qualcomm Qcs6490 Firmware: all versions
Qualcomm Qcx315 Firmware: all versions
Qualcomm Sa515M Firmware: all versions
Qualcomm Sd460 Firmware: all versions
Qualcomm Sd480 Firmware: all versions
Qualcomm Sd662 Firmware: all versions
Qualcomm Sd665 Firmware: all versions
Qualcomm Sd675 Firmware: all versions
Qualcomm Sd678 Firmware: all versions
Qualcomm Sd690 5G Firmware: all versions
Qualcomm Sd720G Firmware: all versions
Qualcomm Sd730 Firmware: all versions
Qualcomm Sd750G Firmware: all versions
Qualcomm Sd765 Firmware: all versions
Qualcomm Sd765G Firmware: all versions
Qualcomm Sd768G Firmware: all versions
Qualcomm Sd778G Firmware: all versions
Qualcomm Sd780G Firmware: all versions

References

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