CVE-2026-59112

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Source
https://cve.org/CVERecord?id=CVE-2026-59112
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59112.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-59112
Downstream
Published
2026-08-10T14:17:25Z
Modified
2026-09-03T08:07:07Z
Severity
  • 4.4 (Medium) CVSS_V4 - 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/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X CVSS Calculator
Summary
[none]
Details

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.

Database specific 
{
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "4.7.0"
                },
                {
                    "fixed": "4.8.2"
                },
                {
                    "introduced": "2.7.0"
                },
                {
                    "fixed": "2.7.2"
                },
                {
                    "introduced": "2.8.0"
                },
                {
                    "fixed": "2.8.1"
                }
            ],
            "source": "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / github.com/open-eid/libdigidocpp

Affected ranges

Type
GIT
Repo
https://github.com/open-eid/libdigidocpp
Events
Introduced
e7bbc3030000136dd7d3a3ec821a8f47c1e814d4
Fixed
d3be4658163de64dfd53d7f1a75a607b3b4941ed
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "4.1.0"
        },
        {
            "fixed": "4.2.1"
        }
    ],
    "source": "DESCRIPTION"
}

Affected versions

v4.*
v4.1.0
v4.2.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59112.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "332230419720299925772037175555635323748",
            "length": 2854
        },
        "id": "CVE-2026-59112-37bfff4d",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_LT.cpp",
            "function": "SignatureXAdES_LT::validate"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "61817033134040619216336980561578315012",
            "length": 777
        },
        "id": "CVE-2026-59112-3e97eb52",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_LTA.cpp",
            "function": "SignatureXAdES_LTA::validate"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "174432059240807719511509665271045474816",
                "120189340633842629588547634783890387258",
                "231675631162022903727607268410955252926",
                "29646744210869861824659573018519514954"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-59112-57009617",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_LT.cpp"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "40460027225072446988488056903714477420",
            "length": 4735
        },
        "id": "CVE-2026-59112-a84bfd97",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_B.cpp",
            "function": "SignatureXAdES_B::validate"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "41205052967299249860806274248166521375",
                "337965608311638731389519978221719771974",
                "231675631162022903727607268410955252926",
                "29646744210869861824659573018519514954"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-59112-c74f7e5a",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_LTA.cpp"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "314436310575302677297720859238470524697",
            "length": 3270
        },
        "id": "CVE-2026-59112-c90e4035",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_T.cpp",
            "function": "SignatureXAdES_T::validate"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "133764611298990166201157945954800979698",
                "120189340633842629588547634783890387258",
                "231675631162022903727607268410955252926",
                "29646744210869861824659573018519514954"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2026-59112-fcc0f361",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/open-eid/libdigidocpp/commit/d3be4658163de64dfd53d7f1a75a607b3b4941ed",
        "target": {
            "file": "src/SignatureXAdES_T.cpp"
        }
    }
]
vanir_signatures_modified 
"2026-09-03T08:07:07Z"