CVE-2018-9988

See a problem?
Please try reporting it to the source first.
Source
https://cve.org/CVERecord?id=CVE-2018-9988
Import Source
https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9988.json
JSON Data
https://api.osv.dev/v1/vulns/CVE-2018-9988
Downstream
Related
Published
2018-04-10T19:29:00.260Z
Modified
2026-08-27T08:13:52.402575Z
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
[none]
Details

ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in sslparseserverkeyexchange() that could cause a crash on invalid input.

Database specific 
{
    "unresolved_ranges": [
        {
            "cpes": [
                "cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*",
                "cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*"
            ],
            "extracted_events": [
                {
                    "introduced": "8.0"
                },
                {
                    "last_affected": "8.0"
                },
                {
                    "introduced": "9.0"
                },
                {
                    "last_affected": "9.0"
                }
            ],
            "vendor_product": "debian:debian_linux",
            "source": "CPE_STRING"
        }
    ]
}
References

Affected packages

Git / github.com/Mbed-TLS/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/Mbed-TLS/mbedtls
Events
Introduced
0 Unknown introduced commit / All previous commits are affected
Fixed
1c986a9859f9456af999d16ba5056914669689fc
Introduced
32605dc83042d737e715a685e53176388d73540e
Fixed
9ae1fba869657bea7ec419412b1c26ed59eb7cd3
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "0"
        },
        {
            "fixed": "2.1.11"
        },
        {
            "introduced": "2.7.0"
        },
        {
            "fixed": "2.7.2"
        }
    ],
    "source": "CPE_RANGE"
}

Affected versions

Other
beta-oob-2
mbedtls-2.*
mbedtls-2.0.0
mbedtls-2.1.0
mbedtls-2.1.1
mbedtls-2.1.10
mbedtls-2.1.11-rc1
mbedtls-2.1.2
mbedtls-2.1.3
mbedtls-2.1.4
mbedtls-2.1.5
mbedtls-2.1.6
mbedtls-2.1.8
mbedtls-2.1.9
mbedtls-2.1.9-rc1
mbedtls-2.7.0
mbedtls-2.7.1
mbedtls-2.7.2-rc1
polarssl-1.*
polarssl-1.2.0
polarssl-1.2.1
polarssl-1.2.2
polarssl-1.2.4
polarssl-1.2.5
polarssl-1.2.6
polarssl-1.3.0
polarssl-1.3.0-rc0
polarssl-1.3.1
polarssl-1.3.2
polarssl-1.3.3
polarssl-1.3.4
polarssl-1.3.5
polarssl-1.3.6
polarssl-1.3.7
polarssl-1.3.8
polarssl-1.3.9

Database specific

source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9988.json"

Git / github.com/mbed-tls/mbedtls

Affected ranges

Type
GIT
Repo
https://github.com/mbed-tls/mbedtls
Events
Introduced
79a5e72719cb23daee6e0e55f7b85659bb3a89b8
Last affected
79a5e72719cb23daee6e0e55f7b85659bb3a89b8
Fixed
027f84c69f4ef30c0693832a6c396ef19e563ca1
Fixed
a1098f81c252b317ad34ea978aea2bc47760b215
Database specific
Show details 
{
    "cpe": "cpe:2.3:a:trustedfirmware:mbed_tls:2.8.0:rc1:*:*:*:*:*:*",
    "extracted_events": [
        {
            "introduced": "2.8.0-rc1"
        },
        {
            "last_affected": "2.8.0-rc1"
        }
    ],
    "source": [
        "CPE_STRING",
        "REFERENCES"
    ]
}

Affected versions

2.*
2.8.0-rc1
mbedtls-2.*
mbedtls-2.8.0-rc1

Database specific

vanir_signatures_modified 
"2026-08-27T08:13:52Z"
vanir_signatures 
[
    {
        "source": "https://github.com/mbed-tls/mbedtls/commit/a1098f81c252b317ad34ea978aea2bc47760b215",
        "target": {
            "file": "library/ssl_cli.c"
        },
        "signature_version": "v1",
        "id": "CVE-2018-9988-43fb1513",
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "233533454219406490390061696350408919024",
                "56484956550389749533093667307607617125",
                "40390773951587925798454177479524955136"
            ]
        }
    },
    {
        "source": "https://github.com/mbed-tls/mbedtls/commit/027f84c69f4ef30c0693832a6c396ef19e563ca1",
        "target": {
            "file": "library/ssl_cli.c"
        },
        "signature_version": "v1",
        "id": "CVE-2018-9988-4d2fe0f3",
        "signature_type": "Line",
        "deprecated": false,
        "digest": {
            "threshold": 0.9,
            "line_hashes": [
                "40390773951587925798454177479524955136",
                "233557313143411844596687656495997824922",
                "139334063042468566397505368396940106530",
                "229043678886504611548731213413437725144"
            ]
        }
    },
    {
        "source": "https://github.com/mbed-tls/mbedtls/commit/a1098f81c252b317ad34ea978aea2bc47760b215",
        "target": {
            "function": "ssl_parse_server_key_exchange",
            "file": "library/ssl_cli.c"
        },
        "signature_version": "v1",
        "id": "CVE-2018-9988-d3a3e59d",
        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "function_hash": "76443332738644645351952461628534168042",
            "length": 8504.0
        }
    },
    {
        "source": "https://github.com/mbed-tls/mbedtls/commit/027f84c69f4ef30c0693832a6c396ef19e563ca1",
        "target": {
            "function": "ssl_parse_server_key_exchange",
            "file": "library/ssl_cli.c"
        },
        "signature_version": "v1",
        "id": "CVE-2018-9988-d4de87ce",
        "signature_type": "Function",
        "deprecated": false,
        "digest": {
            "function_hash": "221937009738997935641169211938580408167",
            "length": 8732.0
        }
    }
]
source 
"https://storage.googleapis.com/cve-osv-conversion/osv-output/CVE-2018-9988.json"