Buffer over-read in Bluetooth Host.

published 2023-04-04 3 y ago modified 2026-06-17 4 mo ago also EUVD-2022-43778

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.4%; EPSS 0.4% chance of exploitation in 30 days, percentile 35%
public exploits: 0; none known

Information disclosure due to buffer over-read in Bluetooth Host while A2DP streaming.

Patch / fix

links 1

qualcomm.com/company/product-security/bulletins/april-2023-bulletin advisory

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: partial
Assessed: 2 y ago (2024-07-11)

Exploit prediction

0.41% chance of exploitation in the next 30 days, higher than 35% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	8.2	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:L
NVD	3.1	7.5	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-126 Buffer Over-read
CWE-125 Out-of-bounds Read

References

qualcomm.com /company/product-security/bulletins/april-2023-bulletin
patch, vendor-advisory

Sources

CVE List CVE-2022-40503
NVD CVE-2022-40503

Fencer Vulns keeps one entry per vulnerability: the CVE id wins, then GHSA, and records that alias each other are merged, except that two CVEs always keep separate entries. The same data is available as JSON.

Summary