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CVE-2023-39908

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of...

7.5 High

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.

Attack profile

How easy it is to exploit

Attack vector
Network
Complexity
Low
Privileges needed
None
User interaction
None

What an attacker can affect

Confidentiality
High
Integrity
None
Availability
None

Exploit likelihood

0.57%Up 0.5 points since Aug 15, 2023
90%50%10%1%

What each source reports

NVD Score used 7.5

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.

Record
CVE-2023-39908
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-125
Updated
2026-11-02
CVE List No score

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.

Record
CVE-2023-39908
Updated
2026-11-02
EUVDEUVD-2023-43608 No score

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.

Record
EUVD-2023-43608
Updated
2026-11-03
GitHub AdvisoriesGHSA-m369-7f44-fp6w 7.5

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of...

The PKCS11 module of the YubiHSM 2 SDK through 2023.01 does not properly validate the length of specific read operations on object metadata. This may lead to disclosure of uninitialized and previously used memory.

Record
GHSA-m369-7f44-fp6w
CVSS 3.1
7.5 HighCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N
Weakness
CWE-125
Updated
2026-11-02

Affected products

History

History
RecordedChangedSources
aliasesEUVD
first indexedCVE List, GitHub Advisories, NVD

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

In short

CVE-2023-39908 is a high vulnerability (CVSS 7.5) in Yubico Yubihsm 2 Sdk, published August 14, 2023. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.57%, the 47th percentile. No source names a fixed version.

References

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