CVE-2023-35784

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Source
https://nvd.nist.gov/vuln/detail/CVE-2023-35784
Import Source
https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-35784.json
JSON Data
https://api.test.osv.dev/v1/vulns/CVE-2023-35784
Downstream
Published
2023-06-16T20:15:09Z
Modified
2025-10-26T04:16:37.862285Z
Severity
  • 9.8 (Critical) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H CVSS Calculator
Summary
[none]
Details

A double free or use after free could occur after SSL_clear in OpenBSD 7.2 before errata 026 and 7.3 before errata 004, and in LibreSSL before 3.6.3 and 3.7.x before 3.7.3. NOTE: OpenSSL is not affected.

References

Affected packages

Git / github.com/libressl-portable/portable

Affected ranges

Type
GIT
Repo
https://github.com/libressl-portable/portable
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4f1a1ffccf22a49d8c307f5a91b368e048278f55

Affected versions

v2.*

v2.1.2
v2.1.3
v2.1.4
v2.2.0
v2.2.1
v2.2.2
v2.3.0
v2.3.1
v2.3.2
v2.4.0
v2.4.1
v2.5.0
v2.5.1
v2.5.2
v2.6.0
v2.6.1
v2.6.2
v2.7.0
v2.7.1
v2.8.0
v2.8.1
v2.9.0

v3.*

v3.0.0
v3.0.1
v3.1.0
v3.2.0
v3.2.1
v3.3.0
v3.3.1
v3.3.2
v3.4.0
v3.5.0
v3.5.1
v3.6.0
v3.6.1
v3.6.2

Git / github.com/libressl-portable/portable

Affected ranges

Type
GIT
Repo
https://github.com/libressl/openbsd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54

Database specific

vanir_signatures

[
    {
        "source": "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
        "id": "CVE-2023-35784-6b7f9c19",
        "signature_type": "Function",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "function": "ssl3_free",
            "file": "src/lib/libssl/s3_lib.c"
        },
        "digest": {
            "function_hash": "275837915516327575572512449369328465332",
            "length": 1139.0
        }
    },
    {
        "source": "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
        "id": "CVE-2023-35784-81ca270c",
        "signature_type": "Line",
        "signature_version": "v1",
        "deprecated": false,
        "target": {
            "file": "src/lib/libssl/s3_lib.c"
        },
        "digest": {
            "line_hashes": [
                "318029086928463328978880662858799719559",
                "38581269024580834936979536530738007553",
                "289431370978073966754050857004753806111",
                "237554259802663005882124020248922010992",
                "55220800006065477010725795313990725964"
            ],
            "threshold": 0.9
        }
    }
]