Buffer Copy Without Checking Size of Input in WLAN Host

published 2023-12-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32249

cvss: 6.7; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.2%; EPSS 0.2% chance of exploitation in 30 days, percentile 4%
public exploits: 0; none known

Memory Corruption in WLAN Host while deserializing the input PMK bytes without checking the input PMK length.

Patch / fix

links 1

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

CISA SSVC

Exploitation: none
Automatable: no
Technical impact: total
Assessed: 2 y ago (2023-12-08)

Exploit prediction

0.16% chance of exploitation in the next 30 days, higher than 4% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by	version	score	vector
CNA	3.1	6.7	CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:H/I:H/A:H
NVD	3.1	7.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H

Affected products

Qualcomm, Inc. Snapdragon
qualcomm snapdragon

Classification

Weakness

CWE-120 Buffer Copy without Checking Size of Input

References

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

Sources

CVE List CVE-2023-28579
NVD CVE-2023-28579

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