Login Request a demo
Critical severity · published Feb 13, 2018
CVE-2018-0487
ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted…
9.8
CVSS
3.3%
EPSS
No
On KEV
Description
ARM mbed TLS before 1.3.22, before 2.1.10, and before 2.7.0 allows remote attackers to execute arbitrary code or cause a denial of service (buffer overflow) via a crafted certificate chain that is mishandled during RSASSA-PSS signature verification within a TLS or DTLS session.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
MT
Mbed Tls · Arm
1.3.8 before 1.3.22; 2.1.0 before 2.1.10; 2.2.0 before 2.7.0 · source: NVD
Affected product
MT
Mbed Tls
Arm
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2018-0487
CVE.org
https://www.cve.org/CVERecord?id=CVE-2018-0487
Third Party Advisory
http://www.securityfocus.com/bid/103056
Third Party Advisory
https://security.gentoo.org/glsa/201804-19
Mitigation
https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
usn.ubuntu.com
https://usn.ubuntu.com/4267-1/
Third Party Advisory
https://www.debian.org/security/2018/dsa-4138
Third Party Advisory
https://www.debian.org/security/2018/dsa-4147
More from Mbed Tls
9.8
CVE-2026-34877
An issue was discovered in Mbed TLS versions from 2.19.0 up to 3.6.5, Mbed TLS 4.0.0
9.8
CVE-2025-47917
Mbed TLS before 3.6.4 allows a use-after-free in certain situations of applications that are developed in accordance with the documentation
9.8
CVE-2022-46393
An issue was discovered in Mbed TLS before 2.28.2 and 3.x before 3.3.0
9.8
CVE-2021-44732
Mbed TLS before 3.0.1 has a double free in certain out-of-memory conditions, as demonstrated by an mbedtls_ssl_set_session() failure
9.8
CVE-2017-18187
In ARM mbed TLS before 2.7.0, there is a bounds-check bypass through an integer overflow in PSK identity parsing in the ssl_parse_client_psk_identity() function in…