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Vulnerability details: VCID-76v1-58ee-ayc3
Vulnerability ID VCID-76v1-58ee-ayc3
Aliases CVE-2018-9989
Summary ARM mbed TLS before 2.1.11, before 2.7.2, and before 2.8.0 has a buffer over-read in ssl_parse_server_psk_hint() that could cause a crash on invalid input.
Status Published
Exploitability 0.5
Weighted Severity 6.8
Risk 3.4
Affected and Fixed Packages Package Details
Weaknesses (1)
CWE-125 Out-of-bounds Read
System Score Found at
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00564 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
epss 0.00648 https://api.first.org/data/v1/epss?cve=CVE-2018-9989
cvssv2 5.0 https://nvd.nist.gov/vuln/detail/CVE-2018-9989
cvssv3.1 7.5 https://nvd.nist.gov/vuln/detail/CVE-2018-9989
Reference id Reference type URL
https://api.first.org/data/v1/epss?cve=CVE-2018-9989
https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2018-9989
https://github.com/ARMmbed/mbedtls/commit/5224a7544c95552553e2e6be0b4a789956a6464e
https://github.com/ARMmbed/mbedtls/commit/740b218386083dc708ce98ccc94a63a95cd5629e
https://lists.debian.org/debian-lts-announce/2018/09/msg00029.html
https://lists.debian.org/debian-lts-announce/2021/11/msg00021.html
https://tls.mbed.org/tech-updates/releases/mbedtls-2.8.0-2.7.2-and-2.1.11-released
cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:arm:mbed_tls:*:*:*:*:*:*:*:*
cpe:2.3:a:arm:mbed_tls:2.8.0:rc1:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:a:arm:mbed_tls:2.8.0:rc1:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:8.0:*:*:*:*:*:*:*
cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:* https://nvd.nist.gov/vuln/search/results?adv_search=true&isCpeNameSearch=true&query=cpe:2.3:o:debian:debian_linux:9.0:*:*:*:*:*:*:*
CVE-2018-9989 https://nvd.nist.gov/vuln/detail/CVE-2018-9989
No exploits are available.
Vector: AV:N/AC:L/Au:N/C:N/I:N/A:P Found at https://nvd.nist.gov/vuln/detail/CVE-2018-9989
Exploitability (E) Access Vector (AV) Access Complexity (AC) Authentication (Au) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

high

functional

unproven

proof_of_concept

not_defined

local

adjacent_network

network

high

medium

low

multiple

single

none

none

partial

complete

none

partial

complete

none

partial

complete
Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H Found at https://nvd.nist.gov/vuln/detail/CVE-2018-9989
Attack Vector (AV) Attack Complexity (AC) Privileges Required (PR) User Interaction (UI) Scope (S) Confidentiality Impact (C) Integrity Impact (I) Availability Impact (A)

network

adjacent_network

local

physical

low

high

none

low

high

none

required

unchanged

changed

high

low

none

high

low

none

high

low

none
Exploit Prediction Scoring System (EPSS)
Percentile 0.67415
EPSS Score 0.00564
Published At July 30, 2025, 12:55 p.m.
Date Actor Action Source VulnerableCode Version
2025-07-31T09:54:39.692394+00:00 NVD Importer Import https://nvd.nist.gov/vuln/detail/CVE-2018-9989 37.0.0