CVE-2026-59649

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Source
https://cve.org/CVERecord?id=CVE-2026-59649
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-59649.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2026-59649
Downstream
Related
Published
2026-08-03T00:44:24.300Z
Modified
2026-08-14T18:56:35.738723164Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/U:Amber CVSS Calculator
Summary
OpenPGP user-attribute subpacket length bounded only by JVM max memory
Details

In Bouncy Castle for Java before 1.85, OpenPGP user-attribute subpacket length bounded only by JVM max memory. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcpg-fips 1.0.13 (1.0.X series), 2.0.13 (2.0.X series) and 2.1.13 (2.1.X series).

Database specific 
{
    "cna_assigner": "bcorg",
    "cwe_ids": [
        "CWE-789"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59649.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "introduced": "1.0.0"
                },
                {
                    "fixed": "1.0.13"
                },
                {
                    "introduced": "2.0.0"
                },
                {
                    "fixed": "2.0.13"
                },
                {
                    "introduced": "2.1.0"
                },
                {
                    "fixed": "2.1.13"
                }
            ],
            "source": "AFFECTED_FIELD"
        }
    ]
}
References

Affected packages

Git / github.com/bcgit/bc-java

Affected ranges

Type
GIT
Repo
https://github.com/bcgit/bc-java
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
57fbd3c501f7a369f64eda311d6a709fc0bcae84
Fixed
a43c40dc12c3e1c6cbd03c83fe30aaec4029b824
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "1.85"
        }
    ],
    "source": [
        "DESCRIPTION",
        "REFERENCES"
    ]
}
Type
GIT
Repo
https://github.com/bcgit/bc-lts-java
Events
Introduced
468b5082f3f0971e80bf9edb7029c17b39b9ba0c
Fixed
f101b232c5d3e07ecdd504210a57e43831d6cd65
Database specific
Show details 
{
    "extracted_events": [
        {
            "introduced": "2.73.0"
        },
        {
            "fixed": "2.73.12"
        }
    ],
    "source": "AFFECTED_FIELD"
}

Affected versions

Other
r1rv73
r1rv74
r1rv75
r1rv76
r1rv77
r1rv78
r1rv80
r1rv81
r1rv82
r1rv83
r1rv84
r2rv73dot0
r2rv73dot1
r2rv73dot10
r2rv73dot11
r2rv73dot3
r2rv73dot4
r2rv73dot6
r2rv73dot8
r2rv73dot9

Database specific

vanir_signatures_modified 
"2026-08-12T15:20:51Z"
vanir_signatures 
[
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "135232340931199891923773385157132970615",
                "176843008324071853277852142130587204553",
                "264042631317190141844881251651953573649",
                "33709921547584492779597580720302325764"
            ]
        },
        "signature_type": "Line",
        "id": "CVE-2026-59649-0d760750",
        "deprecated": false,
        "signature_version": "v1",
        "target": {
            "file": "pg/src/test/java/org/bouncycastle/bcpg/test/AllTests.java"
        },
        "source": "https://github.com/bcgit/bc-java/commit/a43c40dc12c3e1c6cbd03c83fe30aaec4029b824"
    },
    {
        "id": "CVE-2026-59649-79ec54d5",
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "digest": {
            "length": 1016.0,
            "function_hash": "262466390068839927360325849060718189429"
        },
        "target": {
            "function": "readPacket",
            "file": "pg/src/main/java/org/bouncycastle/bcpg/UserAttributeSubpacketInputStream.java"
        },
        "source": "https://github.com/bcgit/bc-java/commit/a43c40dc12c3e1c6cbd03c83fe30aaec4029b824"
    },
    {
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "200019313161331302399749110781691374423",
                "149581705845322519551751268050098600902",
                "120024422749752605719712919733629722733",
                "7005284347936968015172273570529513558",
                "85937672602642321447081171478681529137",
                "202524751988671658227738966528402509603",
                "21755840291398065906314801284062736552",
                "141212747871720174731136659065029877466",
                "278978099429511736865872679693756250427",
                "100823269568145419482821729758185652439"
            ]
        },
        "signature_version": "v1",
        "id": "CVE-2026-59649-7c3f8b81",
        "deprecated": false,
        "signature_type": "Line",
        "target": {
            "file": "pg/src/main/java/org/bouncycastle/bcpg/UserAttributeSubpacketInputStream.java"
        },
        "source": "https://github.com/bcgit/bc-java/commit/a43c40dc12c3e1c6cbd03c83fe30aaec4029b824"
    },
    {
        "digest": {
            "length": 476.0,
            "function_hash": "213115545261806056771245778455869978685"
        },
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "id": "CVE-2026-59649-a8da1eb5",
        "target": {
            "function": "testPacketParsing",
            "file": "pg/src/test/java/org/bouncycastle/bcpg/test/AllTests.java"
        },
        "source": "https://github.com/bcgit/bc-java/commit/a43c40dc12c3e1c6cbd03c83fe30aaec4029b824"
    }
]
source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2026-59649.json"