CVE-2018-0487
9.8
CRITICAL · CVSS 3.0 · EPSS 3.3% (pctl 88)
In your normal cycle
Critical by CVSS (9.8), but no sign of active exploitation.
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.
Scoring
| CVSS | 9.8 (CRITICAL, v3.0) |
|---|---|
| Vector | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
| EPSS | 3.26% — more likely to be exploited than 88% of all CVEs |
| Weakness | CWE-119 |
| On CISA KEV | no |
| Public exploit | none known |
| Published | 2018-02-13 |
| Last modified | 2026-06-17 |
Affected (2)
| Vendor | Product |
|---|---|
| arm | mbed tls |
| debian | debian linux |
References
- http://www.securityfocus.com/bid/103056
- https://security.gentoo.org/glsa/201804-19
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
- https://usn.ubuntu.com/4267-1/
- https://www.debian.org/security/2018/dsa-4138
- https://www.debian.org/security/2018/dsa-4147
- http://www.securityfocus.com/bid/103056
- https://security.gentoo.org/glsa/201804-19
- https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01
- https://usn.ubuntu.com/4267-1/
- https://www.debian.org/security/2018/dsa-4138
- https://www.debian.org/security/2018/dsa-4147
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