Buffer Over-read in Qualcomm ESL

published 2024-01-02 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47918

cvss: 7.5; 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 24%
public exploits: 0; none known

Transient DOS while parsing GATT service data when the total amount of memory that is required by the multiple services is greater than the actual size of the services buffer.

CISA SSVC

Exploitation: none
Automatable: yes
Technical impact: partial
Assessed: 2 y ago (2024-04-12)

Exploit prediction

0.32% chance of exploitation in the next 30 days, higher than 24% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

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

Affected products

Qualcomm, Inc. Snapdragon
qualcomm qcn7606_firmware

Classification

Weakness

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

References

qualcomm.com /company/product-security/bulletins/january-2024-bulletin
vendor-advisory

Sources

CVE List CVE-2023-43512
NVD CVE-2023-43512

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