CVE-2026-59648

Source
https://cve.org/CVERecord?id=CVE-2026-59648
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59648.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-59648
Downstream
CGA (2)
CLEANSTART (6)
DEBIAN (1)
openSUSE (2)
SUSE (3)
UBUNTU (1)
Related
Published
2026-08-03T00:45:34Z
Modified
2026-10-28T10:55:42Z
Severity
  • 6.9 (Medium) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:N/VA:L/SC:N/SI:N/SA:N/U:Amber CVSS Calculator
Summary
OpenPGP Argon2 S2K honours attacker-chosen memory and passes
Details

In Bouncy Castle for Java before 1.85, OpenPGP Argon2 S2K honours attacker-chosen memory and passes. 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-770"
    ],
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59648.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "1.0.6"
                        },
                        {
                            "fixed": "1.0.13"
                        },
                        {
                            "introduced": "2.0.0"
                        },
                        {
                            "fixed": "2.0.13"
                        },
                        {
                            "introduced": "2.1.0"
                        },
                        {
                            "fixed": "2.1.13"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git / github.com/bcgit/bc-java

Affected ranges

Type
GIT
Repo
https://github.com/bcgit/bc-java
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "1.71"
                },
                {
                    "fixed": "1.85"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "range": [
                {
                    "fixed": "c915cc3f7a8d58f5ea2f88f01dfef2d402dd0799"
                }
            ],
            "source": "REFERENCES_COMMIT"
        }
    ]
}
Type
GIT
Repo
https://github.com/bcgit/bc-lts-java
Events
Database specific
Show details
{
    "extracted_events": [
        {
            "range": [
                {
                    "introduced": "2.73.0"
                },
                {
                    "fixed": "2.73.12"
                }
            ],
            "source": "AFFECTED_FIELD",
            "strategy": "StandardRange"
        },
        {
            "cpe": "cpe:2.3:a:bouncycastle:bouncy_castle_for_java_lts:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "0"
                },
                {
                    "last_affected": "2.73.11"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Affected versions

Other
r2rv73dot0
r2rv73dot1
r2rv73dot10
r2rv73dot11
r2rv73dot3
r2rv73dot4
r2rv73dot6
r2rv73dot8
r2rv73dot9

Database specific

source
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59648.json"
vanir_signatures
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]
vanir_signatures_modified
"2026-10-28T10:55:42Z"