CVE-2026-59641

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Source
https://cve.org/CVERecord?id=CVE-2026-59641
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2026-59641.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2026-59641
Downstream
Related
Published
2026-08-03T00:54:21.151Z
Modified
2026-08-05T18:35:08.144225705Z
Severity
  • 8.7 (High) CVSS_V4 - CVSS:4.0/AV:N/AC:L/AT:N/PR:N/UI:N/VC:N/VI:H/VA:N/SC:N/SI:N/SA:N/U:Amber CVSS Calculator
Summary
S/MIME validator trusts signer-asserted signingTime for path validation
Details

In Bouncy Castle for Java before 1.85, S/MIME validator trusts signer-asserted signingTime for path validation. This issue also affects Bouncy Castle for Java LTS before 2.73.12, and Bouncy Castle for Java FIPS (BC-FJA) before bcmail-fips and bcjmail-fips 1.0.7 (1.0.X series), 2.0.7 (2.0.X series) and 2.1.7 (2.1.X series).

Database specific 
{
    "unresolved_ranges": [
        {
            "source": "AFFECTED_FIELD",
            "extracted_events": [
                {
                    "fixed": "1.85"
                },
                {
                    "introduced": "1.0.0"
                },
                {
                    "fixed": "1.0.7"
                },
                {
                    "introduced": "2.0.0"
                },
                {
                    "fixed": "2.0.7"
                },
                {
                    "introduced": "2.1.0"
                },
                {
                    "fixed": "2.1.7"
                },
                {
                    "introduced": "1.0.4"
                },
                {
                    "fixed": "1.0.7"
                },
                {
                    "introduced": "2.0.0"
                },
                {
                    "fixed": "2.0.7"
                },
                {
                    "introduced": "2.1.0"
                },
                {
                    "fixed": "2.1.7"
                }
            ]
        }
    ],
    "cna_assigner": "bcorg",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2026/59xxx/CVE-2026-59641.json",
    "cwe_ids": [
        "CWE-345"
    ]
}
References

Affected packages

Git / github.com/bcgit/bc-lts-java

Affected ranges

Type
GIT
Repo
https://github.com/bcgit/bc-lts-java
Events
Introduced
468b5082f3f0971e80bf9edb7029c17b39b9ba0c
Fixed
f101b232c5d3e07ecdd504210a57e43831d6cd65
Database specific 
{
    "source": "AFFECTED_FIELD",
    "extracted_events": [
        {
            "introduced": "2.73.0"
        },
        {
            "fixed": "2.73.12"
        }
    ]
}

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-2026-59641.json"