Integer Overflow to Buffer Overflow in TZ Secure OS

published 2023-12-05 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-32255

cvss: 8.2; version 3.1, CNA
cisa kev: Not listed; not in CISA's catalog
epss: 0.1%; EPSS 0.1% chance of exploitation in 30 days, percentile 3%
public exploits: 0; none known

Memory corruption while loading an ELF segment in TEE Kernel.

CISA SSVC

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

Exploit prediction

0.14% chance of exploitation in the next 30 days, higher than 3% 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:L/AC:L/PR:H/UI:N/S:C/C:H/I:H/A:H
NVD	3.1	8.8	CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:C/C:H/I:H/A:H

Affected products

Qualcomm, Inc. Snapdragon

Classification

Weakness

CWE-680 Integer Overflow to Buffer Overflow
CWE-119 Improper Restriction of Operations within the Bounds of a Memory Buffer

References

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

Sources

CVE List CVE-2023-28585
NVD CVE-2023-28585

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