Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in Blue…

published 2022-01-03 4y ago modified 2026-06-17 4mo ago also EUVD-2021-21737

cvss: 6.5; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.3%; EPSS 0.3% chance of exploitation in 30 days, percentile 17%
public exploits: 0; none known

Possible memory corruption in BT controller when it receives an oversized LMP packet over 2-DH1 link and leads to denial of service in BlueCore

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Exploit prediction

0.26% chance of exploitation in the next 30 days, higher than 17% of all scored CVEs (FIRST EPSS, 2026-11-09).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	3.1	6.5	CVSS:3.1/AV:A/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
NVD	2.0	3.3	AV:A/AC:L/Au:N/C:N/I:N/A:P

Affected products

Qualcomm, Inc. BlueCore

Classification

Weakness

CWE-787 Out-of-bounds Write

References

qualcomm.com /company/product-security/bulletins/december-2021-bulletin
vendor-advisory

Sources

CVE List CVE-2021-35093
NVD CVE-2021-35093

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