CVE-2023-35784

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Source
https://cve.org/CVERecord?id=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
2023-06-16T00:00:00Z
Modified
2026-10-06T07:52:07Z
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.

Database specific 
{
    "cna_assigner":  "mitre",
    "osv_generated_from":  "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/35xxx/CVE-2023-35784.json",
    "unresolved_ranges":  [
        {
            "extracted_events":  [
                {
                    "introduced":  "7.2"
                },
                {
                    "introduced":  "7.3"
                }
            ],
            "source":  "DESCRIPTION"
        }
    ]
}
References

Affected packages

Git / github.com/libressl/openbsd

Affected ranges

Type
GIT
Repo
https://github.com/libressl/openbsd
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Introduced
259e36b1c57849c281afb8526bab11e7ba2592e2
Fixed
242532e946dd73e728b67bfe0915634d91462442
Fixed
ec44842c68b88bb1c93a8d517ef859e8a456a822
Fixed
e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54
Database specific
Show details 
{
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "3.6.3"
        },
        {
            "introduced":  "3.7.x"
        },
        {
            "fixed":  "3.7.3"
        }
    ],
    "source":  [
        "DESCRIPTION",
        "REFERENCES"
    ]
}
Type
GIT
Repo
https://github.com/libressl/portable
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
4f1a1ffccf22a49d8c307f5a91b368e048278f55
Introduced
5a590f8e0c1bb3b3bf7ba02ee7d3ac0c1e09a1ae
Fixed
5b6fbf7eb549a97e4852dbca1cd6cc0dcf64c2ef
Database specific
Show details 
{
    "cpe":  "cpe:2.3:a:openbsd:libressl:*:*:*:*:*:*:*:*",
    "extracted_events":  [
        {
            "introduced":  "0"
        },
        {
            "fixed":  "3.6.3"
        },
        {
            "introduced":  "3.7.0"
        },
        {
            "fixed":  "3.7.3"
        }
    ],
    "source":  "CPE_RANGE"
}

Affected versions

libressl-v2.*
libressl-v2.1.2
libressl-v2.1.3
libressl-v2.1.4
libressl-v2.2.0
libressl-v2.2.1
libressl-v2.3.0
libressl-v2.3.1
libressl-v2.3.2
libressl-v2.4.0
libressl-v2.4.1
libressl-v2.5.0
libressl-v2.5.1
libressl-v2.5.2
libressl-v2.6.0
libressl-v2.6.1
libressl-v2.6.2
libressl-v2.7.0
libressl-v2.7.1
libressl-v2.8.0
libressl-v2.8.1
libressl-v2.9.0
libressl-v3.*
libressl-v3.0.0
libressl-v3.0.1
libressl-v3.1.0
libressl-v3.2.0
libressl-v3.2.1
libressl-v3.3.0
libressl-v3.3.1
libressl-v3.4.0
libressl-v3.5.0
libressl-v3.5.1
libressl-v3.6.0
libressl-v3.6.1
libressl-v3.6.2
libressl-v3.7.0
libressl-v3.7.1
libressl-v3.7.2
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
v3.7.0
v3.7.1
v3.7.2

Database specific

source 
"https://storage.googleapis.com/osv-test-cve-osv-conversion/osv-output/CVE-2023-35784.json"
vanir_signatures 
[
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "318029086928463328978880662858799719559",
                "38581269024580834936979536530738007553",
                "289431370978073966754050857004753806111",
                "237554259802663005882124020248922010992",
                "55220800006065477010725795313990725964"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2023-35784-54e5d3b7",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/libressl/openbsd/commit/ec44842c68b88bb1c93a8d517ef859e8a456a822",
        "target":  {
            "file":  "src/lib/libssl/s3_lib.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "275837915516327575572512449369328465332",
            "length":  1139
        },
        "id":  "CVE-2023-35784-55fcfbb8",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/libressl/openbsd/commit/ec44842c68b88bb1c93a8d517ef859e8a456a822",
        "target":  {
            "file":  "src/lib/libssl/s3_lib.c",
            "function":  "ssl3_free"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "275837915516327575572512449369328465332",
            "length":  1139
        },
        "id":  "CVE-2023-35784-6b7f9c19",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
        "target":  {
            "file":  "src/lib/libssl/s3_lib.c",
            "function":  "ssl3_free"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "function_hash":  "179503027444079463257166586757167826824",
            "length":  1018
        },
        "id":  "CVE-2023-35784-6d3514d1",
        "signature_type":  "Function",
        "signature_version":  "v1",
        "source":  "https://github.com/libressl/openbsd/commit/242532e946dd73e728b67bfe0915634d91462442",
        "target":  {
            "file":  "src/lib/libssl/s3_lib.c",
            "function":  "ssl3_free"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "318029086928463328978880662858799719559",
                "38581269024580834936979536530738007553",
                "289431370978073966754050857004753806111",
                "237554259802663005882124020248922010992",
                "55220800006065477010725795313990725964"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2023-35784-81ca270c",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/libressl/openbsd/commit/e42d8f4b21a8a498e2eabbffe4c7b7d4ef7cec54",
        "target":  {
            "file":  "src/lib/libssl/s3_lib.c"
        }
    },
    {
        "deprecated":  false,
        "digest":  {
            "line_hashes":  [
                "318029086928463328978880662858799719559",
                "167570896660061044803044394243221479805",
                "236761717147379022131078656568025718482",
                "280851328767504689644122720762551246455",
                "111262196369619851026950638376073380677"
            ],
            "threshold":  0.9
        },
        "id":  "CVE-2023-35784-cc4e1e37",
        "signature_type":  "Line",
        "signature_version":  "v1",
        "source":  "https://github.com/libressl/openbsd/commit/242532e946dd73e728b67bfe0915634d91462442",
        "target":  {
            "file":  "src/lib/libssl/s3_lib.c"
        }
    }
]
vanir_signatures_modified 
"2026-10-06T07:52:07Z"