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Fencer Vulns
critical 9.3

CVE-2023-43538 json

Buffer Copy Without Checking Size of Input (`Classic Buffer Overflow`) in TZ Secure OS

published 2024-06-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47944

cvss
9.3
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 1%
public exploits
0
none known

Summary

Memory corruption in TZ Secure OS while Tunnel Invoke Manager initialization.

CISA SSVC

Exploitation
none
Automatable
no
Technical impact
total
Assessed
2 y ago

Exploit prediction

0.10% chance of exploitation in the next 30 days, higher than 1% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 3.1 9.3 CVSS:3.1/AV:L/AC:L/PR:N/UI:N/S:C/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 qca6698aq_firmware
  • qualcomm qca6797aq_firmware
  • qualcomm qca8081_firmware
  • qualcomm aqt1000_firmware
  • qualcomm ar8035_firmware
  • qualcomm fastconnect_6200_firmware
  • qualcomm fastconnect_6800_firmware
  • qualcomm fastconnect_6900_firmware
  • qualcomm fastconnect_7800_firmware
  • qualcomm qam8255p_firmware
  • qualcomm qam8295p_firmware
  • qualcomm qam8650p_firmware
  • qualcomm qam8775p_firmware
  • qualcomm qca6174a_firmware
  • qualcomm qca6310_firmware
  • qualcomm qca6335_firmware
  • qualcomm qca6391_firmware
  • qualcomm qca6420_firmware
  • qualcomm qca6421_firmware
  • qualcomm qca6426_firmware
  • qualcomm qca6430_firmware
  • qualcomm qca6431_firmware
  • qualcomm qca6436_firmware
  • qualcomm qca6564a_firmware
  • qualcomm qca6564au_firmware
  • qualcomm qca6574_firmware
  • qualcomm qca6574a_firmware
  • qualcomm qca6574au_firmware
  • qualcomm qca6584au_firmware
  • qualcomm qca6595_firmware
  • qualcomm qca6595au_firmware
  • qualcomm qca6696_firmware
  • qualcomm qca8337_firmware
  • qualcomm qca9377_firmware
  • qualcomm qcc710_firmware
  • qualcomm qcm8550_firmware
  • qualcomm qcn6224_firmware
  • qualcomm qcn6274_firmware
  • qualcomm qcs8550_firmware
  • qualcomm qdu1000_firmware
  • qualcomm qdu1010_firmware
  • qualcomm qdu1110_firmware
  • qualcomm qdu1210_firmware
  • qualcomm qdx1010_firmware
  • qualcomm qdx1011_firmware
  • qualcomm qfw7114_firmware
  • qualcomm qfw7124_firmware
  • qualcomm qru1032_firmware
  • qualcomm qru1052_firmware

Classification

Weakness
  • CWE-120 Buffer Copy without Checking Size of Input

References

Sources

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.