CVE-2023-0464

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Source
https://cve.org/CVERecord?id=CVE-2023-0464
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0464.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2023-0464
Downstream
ALPINE (1)
ALSA (1)
AZL (5)
BELL (1)
CGA (10)
CLEANSTART (3)
CLSA (10)
DEBIAN (1)
ECHO (1)
JLSEC (1)
MGASA (1)
OESA (12)
openSUSE (4)
RHSA (3)
SUSE (11)
UBUNTU (1)
Related
ALSA (1)
openSUSE (4)
SUSE (11)
Published
2023-03-22T16:36:47Z
Modified
2026-11-11T13:23:37Z
Severity
  • 7.5 (High) CVSS_V3 - CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H CVSS Calculator
Summary
Excessive Resource Usage Verifying X.509 Policy Constraints
Details

A security vulnerability has been identified in all supported versions

of OpenSSL related to the verification of X.509 certificate chains that include policy constraints. Attackers may be able to exploit this vulnerability by creating a malicious certificate chain that triggers exponential use of computational resources, leading to a denial-of-service (DoS) attack on affected systems.

Policy processing is disabled by default but can be enabled by passing the -policy' argument to the command line utilities or by calling the X509_VERIFY_PARAM_set1_policies()' function.

Database specific 
{
    "cna_assigner": "openssl",
    "osv_generated_from": "https://github.com/CVEProject/cvelistV5/tree/main/cves/2023/0xxx/CVE-2023-0464.json",
    "unresolved_ranges": [
        {
            "extracted_events": [
                {
                    "range": [
                        {
                            "introduced": "3.1.0"
                        },
                        {
                            "fixed": "3.1.1"
                        },
                        {
                            "introduced": "3.0.0"
                        },
                        {
                            "fixed": "3.0.9"
                        },
                        {
                            "introduced": "1.1.1"
                        },
                        {
                            "fixed": "1.1.1u"
                        },
                        {
                            "introduced": "1.0.2"
                        },
                        {
                            "fixed": "1.0.2zh"
                        }
                    ],
                    "source": "AFFECTED_FIELD",
                    "strategy": "StandardRange"
                }
            ]
        }
    ]
}
References

Affected packages

Git
github.com/alsyundawy/openssl-1.0.2

Affected ranges

Type
GIT
Repo
https://github.com/alsyundawy/openssl-1.0.2
Events
Introduced
c46078156d49453ba69badc9addb1e2dcd1c71f5
Fixed
c46078156d49453ba69badc9addb1e2dcd1c71f5
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "1.0.2"
                },
                {
                    "fixed": "1.0.2zh"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0464.json"
github.com/kzalewski/openssl-1.1.1

Affected ranges

Type
GIT
Repo
https://github.com/kzalewski/openssl-1.1.1
Events
Introduced
9ad69b994ae7c73ba06d9f75efd2625102de814c
Fixed
9ad69b994ae7c73ba06d9f75efd2625102de814c
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "1.1.1"
                },
                {
                    "fixed": "1.1.1u"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0464.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "function_hash": "42797208737688127763066522181332281160",
            "length": 507
        },
        "id": "CVE-2023-0464-17161750",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/kzalewski/openssl-1.1.1/commit/9ad69b994ae7c73ba06d9f75efd2625102de814c",
        "target": {
            "file": "test/ec_internal_test.c",
            "function": "setup_tests"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "230361427007416664995616424352791763469",
                "68454496777232705137616949383570055801",
                "174227485603324825134703660955423564225",
                "306374039697804480350160125378658725435",
                "223787537721903344733141597182001711142",
                "305852724676774806958748002571762917320",
                "61902118637910596077004663207701223681",
                "278724473247779637198513168995006009135",
                "150804929727413209120953746872414715465",
                "166774358343717215765245239236385866693",
                "116293081894868411264108492273509366961",
                "326496170417124709669304286305887789679",
                "278306348133167756990680493182074324125",
                "189649085256091224929149730235838635518",
                "82945606976757935725900546138315651129",
                "136187505923069729147869676886657763243",
                "233447734599456461300796481665382809870",
                "116930820689846462220149337293161556595",
                "153181275943870954612030432229689150702",
                "65985025876624501603393736976041980125"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-0464-3349f255",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/kzalewski/openssl-1.1.1/commit/9ad69b994ae7c73ba06d9f75efd2625102de814c",
        "target": {
            "file": "crypto/bn/bn_gf2m.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "function_hash": "30673062630639656303483208802482655434",
            "length": 494
        },
        "id": "CVE-2023-0464-4f7f516c",
        "signature_type": "Function",
        "signature_version": "v1",
        "source": "https://github.com/kzalewski/openssl-1.1.1/commit/9ad69b994ae7c73ba06d9f75efd2625102de814c",
        "target": {
            "file": "crypto/bn/bn_gf2m.c",
            "function": "BN_GF2m_poly2arr"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "202560716467995180801900703314012126638",
                "231076714992210239911677876085986544653",
                "119476550149019858610160764241585512883",
                "237713134421560846878241190267682686452",
                "291912177671523663250360670212314966717",
                "148718397703357758449784276736258891876",
                "8308956487359903771982894414540058331",
                "219665286569007368979236427780197060159"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-0464-f19f6747",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/kzalewski/openssl-1.1.1/commit/9ad69b994ae7c73ba06d9f75efd2625102de814c",
        "target": {
            "file": "test/ec_internal_test.c"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "215474658839038190857768659117172798903",
                "224789752300883698945153787266757617261",
                "56494159630746388130037307952134413004",
                "164370382436795402003615230331141913984",
                "149153318460680570484795927015804201404"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-0464-fa870959",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/kzalewski/openssl-1.1.1/commit/9ad69b994ae7c73ba06d9f75efd2625102de814c",
        "target": {
            "file": "include/openssl/opensslv.h"
        }
    }
]
vanir_signatures_modified 
"2026-11-11T13:23:37Z"
github.com/openssl/openssl

Affected ranges

Type
GIT
Repo
https://github.com/openssl/openssl
Events
Introduced
e818b74be2170fbe957a07b0da4401c2b694b3b8
Fixed
e818b74be2170fbe957a07b0da4401c2b694b3b8
Introduced
e04bd3433fd84e1861bf258ea37928d9845e6a86
Fixed
e04bd3433fd84e1861bf258ea37928d9845e6a86
Introduced
89cd17a031e022211684eb7eb41190cf1910f9fa
Fixed
de90e54bbe82e5be4fb9608b6f5c308bb837d355
Introduced
a92271e03a8d0dee507b6f1e7f49512568b2c7ad
Fixed
2cf4e90eaaf7402bf038b158dbdacd0a15561fb7
Database specific
Show details 
{
    "extracted_events": [
        {
            "cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "1.0.2"
                },
                {
                    "fixed": "1.0.2zh"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "1.1.1"
                },
                {
                    "fixed": "1.1.1u"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "3.0.0"
                },
                {
                    "fixed": "3.0.9"
                }
            ],
            "source": "CPE_RANGE"
        },
        {
            "cpe": "cpe:2.3:a:openssl:openssl:*:*:*:*:*:*:*:*",
            "range": [
                {
                    "introduced": "3.1.0"
                },
                {
                    "fixed": "3.1.1"
                }
            ],
            "source": "CPE_RANGE"
        }
    ]
}

Affected versions

openssl-3.*
openssl-3.0.0
openssl-3.0.1
openssl-3.0.2
openssl-3.0.3
openssl-3.0.4
openssl-3.0.5
openssl-3.0.6
openssl-3.0.7
openssl-3.0.8
openssl-3.1.0

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2023-0464.json"
vanir_signatures 
[
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "28170854778703993674264004058177114599",
                "73132526844288570625317440636111911761",
                "177405411499435185068645597737938634778",
                "224809958623850711330610094965797758930",
                "295554444428855106393106961197201359586"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-0464-c377fa22",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/openssl/openssl/commit/e04bd3433fd84e1861bf258ea37928d9845e6a86",
        "target": {
            "file": "include/openssl/opensslv.h"
        }
    },
    {
        "deprecated": false,
        "digest": {
            "line_hashes": [
                "251633914150035957322733061977107206211",
                "338514574181828579838011565939158652696",
                "76638288692106140328510055542557597351",
                "142922657400765574308962710386922248045",
                "71649992455794854055653842592139575350",
                "65527166711110472566013424527579064967",
                "253196866009476977787139000804413898733",
                "172177136897997206866313011107384691461"
            ],
            "threshold": 0.9
        },
        "id": "CVE-2023-0464-e051451f",
        "signature_type": "Line",
        "signature_version": "v1",
        "source": "https://github.com/openssl/openssl/commit/e818b74be2170fbe957a07b0da4401c2b694b3b8",
        "target": {
            "file": "crypto/opensslv.h"
        }
    }
]
vanir_signatures_modified 
"2026-11-11T13:23:37Z"