Improper verification of cryptographic signature and Improper Check for Unusual or Exceptional Conditions vulnerability in Estonian Information System Authority (RIA) libdigidocpp, DigiDoc4, DigiDoc on Android, and DigiDoc on iOS. This issue affects libdigidocpp: from 4.1.0 before 4.2.1; DigiDoc4: from 4.7.0 before 4.8.2; DigiDoc on Android: from 2.7.0 before 2.7.2; DigiDoc on iOS: from 2.8.0 before 2.8.1.

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Advisories

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Fixes

Solution

Systems integrating libdigidocpp should update to version 4.2.1 or later.  Users of DigiDoc applications should update to fixed versions provided by the vendor:  DigiDoc4 - 4.8.2 or later, RIA DigiDoc Android - 2.7.2 or later, and RIA DigiDoc iOS - 2.8.1 or later.  Signatures that were validated with the vulnerable software versions should be revalidated.


Workaround

No workaround given by the vendor.

History

Tue, 11 Aug 2026 15:45:00 +0000

Type Values Removed Values Added
First Time appeared Estonian Information System Authority (ria)
Estonian Information System Authority (ria) digidoc
Estonian Information System Authority (ria) digidoc4
Estonian Information System Authority (ria) libdigidocpp
Vendors & Products Estonian Information System Authority (ria)
Estonian Information System Authority (ria) digidoc
Estonian Information System Authority (ria) digidoc4
Estonian Information System Authority (ria) libdigidocpp

Mon, 10 Aug 2026 19:30:00 +0000

Type Values Removed Values Added
Metrics ssvc

{'options': {'Automatable': 'no', 'Exploitation': 'poc', 'Technical Impact': 'partial'}, 'version': '2.0.3'}


Mon, 10 Aug 2026 14:15:00 +0000

Type Values Removed Values Added
Description Improper verification of cryptographic signature and Improper Check for Unusual or Exceptional Conditions vulnerability in Estonian Information System Authority (RIA) libdigidocpp, DigiDoc4, DigiDoc on Android, and DigiDoc on iOS. This issue affects libdigidocpp: from 4.1.0 before 4.2.1; DigiDoc4: from 4.7.0 before 4.8.2; DigiDoc on Android: from 2.7.0 before 2.7.2; DigiDoc on iOS: from 2.8.0 before 2.8.1.
Title Signature validation vulnerability affecting DigiDoc applications
Weaknesses CWE-347
CWE-754
References
Metrics cvssV4_0

{'score': 4.4, 'vector': 'CVSS:4.0/AV:L/AC:L/AT:P/PR:N/UI:A/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/E:P'}


Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: ENISA

Published:

Updated: 2026-08-10T17:55:30.587Z

Reserved: 2026-07-02T15:47:36.965Z

Link: CVE-2026-59112

cve-icon Vulnrichment

Updated: 2026-08-10T17:55:24.289Z

cve-icon NVD

Status : Received

Published: 2026-08-10T14:17:25.153

Modified: 2026-08-10T18:18:47.493

Link: CVE-2026-59112

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

Updated: 2026-08-11T14:22:41Z

Weaknesses