{"id":"CVE-2018-0487","url":"https://www.cyber-defence.io/tools/cve/CVE-2018-0487","generatedAt":"2026-10-29T00:17:37.006Z","title":"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…","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.","published":"2018-02-13T15:29:00.000Z","lastModified":"2026-06-17T01:30:56.000Z","status":"Modified","sourceIdentifier":"security@debian.org","cvss":{"version":"3.0","score":9.8,"severity":"CRITICAL","vector":"CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H"},"cwe":["CWE-119"],"affected":["arm/mbed tls","debian/debian linux"],"epss":{"score":0.03255,"percentile":0.88285,"date":"2026-10-27","history":[]},"kev":{"listed":false},"exploits":{"count":0,"verified":false,"firstPublished":null,"source":"Exploit-DB (https://gitlab.com/exploit-database/exploitdb)","entries":[]},"verdict":{"level":"high","text":"High impact if exploited, but EPSS currently rates exploitation as unlikely (3.26%). Schedule it in the normal patch cycle and watch for a rise in EPSS or a public exploit."},"changes":[],"references":[{"url":"http://www.securityfocus.com/bid/103056","tags":["Third Party Advisory","VDB Entry"],"source":"security@debian.org"},{"url":"https://security.gentoo.org/glsa/201804-19","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01","tags":["Mitigation","Vendor Advisory"],"source":"security@debian.org"},{"url":"https://usn.ubuntu.com/4267-1/","source":"security@debian.org"},{"url":"https://www.debian.org/security/2018/dsa-4138","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"https://www.debian.org/security/2018/dsa-4147","tags":["Third Party Advisory"],"source":"security@debian.org"},{"url":"http://www.securityfocus.com/bid/103056","tags":["Third Party Advisory","VDB Entry"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://security.gentoo.org/glsa/201804-19","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://tls.mbed.org/tech-updates/security-advisories/mbedtls-security-advisory-2018-01","tags":["Mitigation","Vendor Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://usn.ubuntu.com/4267-1/","source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4138","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"},{"url":"https://www.debian.org/security/2018/dsa-4147","tags":["Third Party Advisory"],"source":"af854a3a-2127-422b-91ae-364da2661108"}],"sources":{"nvd":"https://nvd.nist.gov/vuln/detail/CVE-2018-0487","epss":"https://www.first.org/epss/","kev":"https://www.cisa.gov/known-exploited-vulnerabilities-catalog","exploitdb":"https://www.exploit-db.com/"},"licence":"CC BY 4.0 — link back to the CVE Explorer if you publish the results; upstream data remains subject to its own terms."}