What’s Vulnerable › Vulnerabilities

CVE-2023-21639: Buffer Copy Without Checking the Size of Input in Audio

• Severity: high (CVSS 7.8 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.1% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2023-07-04 · updated 2026-06-17
• Weakness: CWE-120

Description

Memory corruption in Audio while processing sva_model_serializer using memory size passed by HIDL client.

Affected products

• Qualcomm Aqt1000 Firmware: all versions
• Qualcomm Fastconnect 6200 Firmware: all versions
• Qualcomm Qca6420 Firmware: all versions
• Qualcomm Qca6430 Firmware: all versions
• Qualcomm Sa4150P Firmware: all versions
• Qualcomm Sa4155P Firmware: all versions
• Qualcomm Sa6155P Firmware: all versions
• Qualcomm Sa8155P Firmware: all versions
• Qualcomm Sa8195P Firmware: all versions
• Qualcomm Sd855 Firmware: all versions
• Qualcomm Snapdragon 855+/860 Firmware: all versions
• Qualcomm Snapdragon 855 Firmware: all versions
• Qualcomm Snapdragon W5+ Gen 1 Firmware: all versions
• Qualcomm Sw5100 Firmware: all versions
• Qualcomm Sw5100P Firmware: all versions
• Qualcomm Wcd9341 Firmware: all versions
• Qualcomm Wcn3980 Firmware: all versions
• Qualcomm Wcn3988 Firmware: all versions
• Qualcomm Wsa8810 Firmware: all versions
• Qualcomm Wsa8815 Firmware: all versions
• Qualcomm Wsa8830 Firmware: all versions
• Qualcomm Wsa8835 Firmware: all versions

References

• https://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletin
• https://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletin

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