CVE-2023-21639

Name: CVE-2023-21639
Creator: NVD / NIST
Published: 2023-07-04T05:15:10.397+00:00
License: https://creativecommons.org/publicdomain/zero/1.0/

HIGHCVSS 7.8/10EPSS 0.11%

Last modified Jun 17, 2026

CVE-2023-21639 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. Memory corruption in Audio while processing sva_model_serializer using memory size passed by HIDL client.. EPSS estimates a 0.11% chance of exploitation in the next 30 days.

Description

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

Metrics

CVSS 3.1

7.8/10

CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

EPSS Probability

0.11%

1.5th percentile

Probability of exploitation in the next 30 days. Learn more

Weakness Enumeration

Affected Software

Vendor	Product	Versions
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 Firmware	All versions
Qualcomm	Snapdragon 855\+\/860 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-bulletinVendor Advisory
https://www.qualcomm.com/company/product-security/bulletins/july-2023-bulletinVendor Advisory

Timeline

Published: Jul 4, 2023
Last Modified: Jun 17, 2026
Status: Modified

Frequently Asked Questions

What is CVE-2023-21639?

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

How severe is CVE-2023-21639?

CVE-2023-21639 has a CVSS score of 7.8/10 (HIGH severity). The EPSS model estimates a 0.11% probability of exploitation in the next 30 days.

How do I fix CVE-2023-21639?

Check the vendor references and advisories linked above for patched versions and mitigation guidance. You can also run a Strix scan to test if your systems are affected.

Are you affected by CVE-2023-21639?

Run a free Strix scan to check your systems for this vulnerability.

Scan your code now

Source: NVD / NIST