Description
Ledger Live with vulnerable versions of ledgerhq/hw-app-eth prior to 6.34.7 contains an integer parsing vulnerability that allows attackers to manipulate EIP-712 typed data messages by exploiting incorrect hexadecimal field parsing when values contain an odd number of characters. Attackers can obtain signatures on truncated or misinterpreted message values to authorize unintended blockchain transactions, such as asset transfers at incorrect amounts.
Published: 2026-05-19
Score: 6.9 Medium
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories

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History

Wed, 20 May 2026 18:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'none', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Wed, 20 May 2026 14:30:00 +0000

Type Values Removed Values Added
References

Wed, 20 May 2026 14:15:00 +0000

Type Values Removed Values Added
References

Wed, 20 May 2026 11:45:00 +0000

Type Values Removed Values Added
First Time appeared Ledger
Ledger hw-app-eth
Ledger ledger Live
Vendors & Products Ledger
Ledger hw-app-eth
Ledger ledger Live

Tue, 19 May 2026 22:00:00 +0000

Type Values Removed Values Added
Description Ledger Live with vulnerable versions of ledgerhq/hw-app-eth prior to 6.34.7 contains an integer parsing vulnerability that allows attackers to manipulate EIP-712 typed data messages by exploiting incorrect hexadecimal field parsing when values contain an odd number of characters. Attackers can obtain signatures on truncated or misinterpreted message values to authorize unintended blockchain transactions, such as asset transfers at incorrect amounts.
Title Ledger Live hw-app-eth EIP-712 Message Parsing Integer Truncation
Weaknesses CWE-704
References
Metrics cvssV3_1

{'score': 6.5, 'vector': 'CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:H/A:N'}

cvssV4_0

{'score': 6.9, 'vector': 'CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N'}


Subscriptions

Ledger Hw-app-eth Ledger Live
cve-icon MITRE

Status: PUBLISHED

Assigner: VulnCheck

Published:

Updated: 2026-05-20T17:20:12.853Z

Reserved: 2026-05-19T21:50:56.873Z

Link: CVE-2023-7345

cve-icon Vulnrichment

Updated: 2026-05-20T17:20:09.350Z

cve-icon NVD

Status : Deferred

Published: 2026-05-19T22:16:35.180

Modified: 2026-06-17T06:52:34.157

Link: CVE-2023-7345

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-05-20T10:38:50Z

Weaknesses