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Fencer Vulns
high 7.8

CVE-2023-43542 json

Buffer Copy Without Checking Size of Input in Trusted Execution Environment

published 2024-06-03 2 y ago modified 2026-06-17 4 mo ago also EUVD-2023-47948

cvss
7.8
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 0%
public exploits
0
none known

Summary

Memory corruption while copying a keyblob`s material when the key material`s size is not accurately checked.

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 0% of all scored CVEs (FIRST EPSS, 2026-11-08).

CVSS scores

assigned by version score vector
CNA 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 9205_lte_modem_firmware
  • qualcomm aqt1000_firmware
  • qualcomm ar8031_firmware
  • qualcomm ar8035_firmware
  • qualcomm csra6620_firmware
  • qualcomm csra6640_firmware
  • qualcomm fastconnect_6200_firmware
  • qualcomm fastconnect_6700_firmware
  • qualcomm fastconnect_6800_firmware
  • qualcomm fastconnect_6900_firmware
  • qualcomm fastconnect_7800_firmware
  • qualcomm flight_rb5_5g_platform_firmware
  • qualcomm fsm10056_firmware
  • qualcomm qam8255p_firmware
  • qualcomm qam8295p_firmware
  • qualcomm qam8650p_firmware
  • qualcomm qam8775p_firmware
  • qualcomm qca4004_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 qca6564_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 qca6698aq_firmware
  • qualcomm qca6797aq_firmware
  • qualcomm qca8081_firmware
  • qualcomm qca8337_firmware
  • qualcomm qca9377_firmware
  • qualcomm qca9984_firmware
  • qualcomm qcc710_firmware
  • qualcomm qcm2290_firmware
  • qualcomm qcm4290_firmware
  • qualcomm qcm4325_firmware
  • qualcomm qcm4490_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.