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CVE-2023-43542

Buffer Copy Without Checking Size of Input in Trusted Execution Environment

7.8 High

Memory corruption while copying a keyblobs material when the key materials size is not accurately checked.

Attack profile

How easy it is to exploit

Attack vector
Local
Complexity
Low
Privileges needed
Low
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
High
Availability
High

Exploit likelihood

0.10%Up 0.1 points since Jun 4, 2024
90%50%10%1%

What each source reports

CVE List Score used 7.8

Buffer Copy Without Checking Size of Input in Trusted Execution Environment

Memory corruption while copying a keyblobs material when the key materials size is not accurately checked.

Record
CVE-2023-43542
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
EUVDEUVD-2023-47948 7.8

Memory corruption while copying a keyblobs material when the key materials size is not accurately checked.

Record
EUVD-2023-47948
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Updated
2026-11-03
GitHub AdvisoriesGHSA-p555-252p-vf5r 7.8

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

Memory corruption while copying a keyblobs material when the key materials size is not accurately checked.

Record
GHSA-p555-252p-vf5r
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02
NVD 7.8

Memory corruption while copying a keyblobs material when the key materials size is not accurately checked.

Record
CVE-2023-43542
CVSS 3.1
7.8 HighCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H
Weakness
CWE-120
Updated
2026-11-02

Affected products

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History

History
RecordedChangedSources
aliases, publishedEUVD
first indexedCVE List, GitHub Advisories, NVD

Dates are when Every CVE recorded each change. Upstream dates may differ.

In short

CVE-2023-43542 is a high vulnerability (CVSS 7.8) in Qualcomm 9205 Lte Modem Firmware, published June 3, 2024. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.10%, the 0th percentile. No source names a fixed version.

References

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