What is CVE-2023-21639?

CVE-2023-21639 is a medium-severity vulnerability in Qualcomm Aqt1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-07-04.

How severe is CVE-2023-21639?

Medium severity. CVSS v3 base score is 6.7 out of 10.

Buffer overflow in Qualcomm Aqt1000

CVE-2023-21639

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

Vulnerability class: Buffer Overflow

EPSS: 0.001 (1.8th percentile) — read the EPSS interpretation.

CVSS v3 metric

CVSS v3 base score 6.7 (Medium). Vector: CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H.

Affected products

Qualcomm Aqt1000
Qualcomm Aqt1000_firmware
Qualcomm Fastconnect_6200
Qualcomm Fastconnect_6200_firmware
Qualcomm Qca6420
Qualcomm Qca6420_firmware
Qualcomm Qca6430
Qualcomm Qca6430_firmware
Qualcomm Sa4150p
Qualcomm Sa4150p_firmware

Weakness classification (CWE)

CWE-120 — Buffer Copy without Checking Size of Input (Classic Buffer Overflow)
CWE-787 — Out-of-bounds Write

References

product-security@qualcomm.com (Vendor Advisory)

Frequently asked questions

What is CVE-2023-21639?: CVE-2023-21639 is a medium-severity vulnerability in Qualcomm Aqt1000, classified under Buffer Copy without Checking Size of Input (Classic Buffer Overflow). CVSS score: 6.7/10. Published 2023-07-04.
How severe is CVE-2023-21639?: Medium severity. CVSS v3 base score is 6.7 out of 10.