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This attack appear to be exploitable via Depends on the calling application and if it retains a reference to the memory.. This vulnerability appears to have been fixed in 17.5.0.","references":[{"reference_url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"http://lists.opensuse.org/opensuse-security-announce/2019-04/msg00014.html"},{"reference_url":"https://access.redhat.com/errata/RHSA-2019:0085","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://access.redhat.com/errata/RHSA-2019:0085"},{"reference_url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000807.json","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3","scoring_elements":"CVSS:3.0/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"}],"url":"https://access.redhat.com/hydra/rest/securitydata/cve/CVE-2018-1000807.json"},{"reference_url":"https://api.first.org/data/v1/epss?cve=CVE-2018-1000807","reference_id":"","reference_type":"","scores":[{"value":"0.02881","scoring_system":"epss","scoring_elements":"0.86561","published_at":"2026-06-04T12:55:00Z"}],"url":"https://api.first.org/data/v1/epss?cve=CVE-2018-1000807"},{"reference_url":"https://github.com/advisories/GHSA-p28m-34f6-967q","reference_id":"","reference_type":"","scores":[],"url":"https://github.com/advisories/GHSA-p28m-34f6-967q"},{"reference_url":"https://github.com/pyca/pyopenssl","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pyca/pyopenssl"},{"reference_url":"https://github.com/pyca/pyopenssl/commit/e73818600065821d588af475b024f4eb518c3509","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pyca/pyopenssl/commit/e73818600065821d588af475b024f4eb518c3509"},{"reference_url":"https://github.com/pyca/pyopenssl/pull/723","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pyca/pyopenssl/pull/723"},{"reference_url":"https://github.com/pypa/advisory-database/tree/main/vulns/pyopenssl/PYSEC-2018-23.yaml","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://github.com/pypa/advisory-database/tree/main/vulns/pyopenssl/PYSEC-2018-23.yaml"},{"reference_url":"https://usn.ubuntu.com/3813-1","reference_id":"","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://usn.ubuntu.com/3813-1"},{"reference_url":"https://usn.ubuntu.com/3813-1/","reference_id":"","reference_type":"","scores":[],"url":"https://usn.ubuntu.com/3813-1/"},{"reference_url":"https://bugzilla.redhat.com/show_bug.cgi?id=1640217","reference_id":"1640217","reference_type":"","scores":[],"url":"https://bugzilla.redhat.com/show_bug.cgi?id=1640217"},{"reference_url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000807","reference_id":"CVE-2018-1000807","reference_type":"","scores":[{"value":"8.1","scoring_system":"cvssv3.1","scoring_elements":"CVSS:3.1/AV:N/AC:H/PR:N/UI:N/S:U/C:H/I:H/A:H"},{"value":"HIGH","scoring_system":"generic_textual","scoring_elements":""}],"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-1000807"}],"fixed_packages":[{"url":"http://public2.vulnerablecode.io/api/packages/12079?format=json","purl":"pkg:pypi/pyopenssl@17.5.0","is_vulnerable":false,"affected_by_vulnerabilities":[],"resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/pyopenssl@17.5.0"}],"aliases":["CVE-2018-1000807","GHSA-p28m-34f6-967q","PYSEC-2018-23"],"risk_score":4.0,"exploitability":"0.5","weighted_severity":"8.0","resource_url":"http://public2.vulnerablecode.io/vulnerabilities/VCID-h5j7-qc1s-u7er"}],"fixing_vulnerabilities":[],"risk_score":"4.0","resource_url":"http://public2.vulnerablecode.io/packages/pkg:pypi/pyopenssl@17.2.0"}