{"api_version":"1","generated_at":"2026-07-23T09:48:37+00:00","cve":"CVE-2019-11936","urls":{"html":"https://cve.report/CVE-2019-11936","api":"https://cve.report/api/cve/CVE-2019-11936.json","docs":"https://cve.report/api","cve_org":"https://www.cve.org/CVERecord?id=CVE-2019-11936","nvd":"https://nvd.nist.gov/vuln/detail/CVE-2019-11936"},"summary":{"title":"CVE-2019-11936","description":"Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.","state":"PUBLIC","assigner":"cve-assign@fb.com","published_at":"2019-12-04 17:16:00","updated_at":"2021-09-14 12:03:00"},"problem_types":["NVD-CWE-noinfo"],"metrics":[],"references":[{"url":"https://hhvm.com/blog/2019/10/28/security-update.html","name":"https://hhvm.com/blog/2019/10/28/security-update.html","refsource":"CONFIRM","tags":["Vendor Advisory"],"title":"Security Update | HHVM","mime":"text/html","httpstatus":"200","archivestatus":"200"},{"url":"https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373","name":"https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373","refsource":"CONFIRM","tags":["Patch","Third Party Advisory"],"title":"Prevent APC keys with nulls · facebook/hhvm@f57df6d · 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APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1."}]},"problemtype":{"problemtype_data":[{"description":[{"lang":"eng","value":"CWE-626: Null Byte Interaction Error (Poison Null Byte)"}]}]},"references":{"reference_data":[{"refsource":"CONFIRM","name":"https://hhvm.com/blog/2019/10/28/security-update.html","url":"https://hhvm.com/blog/2019/10/28/security-update.html"},{"refsource":"CONFIRM","name":"https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373","url":"https://github.com/facebook/hhvm/commit/f57df6d8cf33cb14c40f52287da29360e7003373"},{"refsource":"CONFIRM","name":"https://www.facebook.com/security/advisories/cve-2019-11936","url":"https://www.facebook.com/security/advisories/cve-2019-11936"}]}},"nvd":{"publishedDate":"2019-12-04 17:16:00","lastModifiedDate":"2021-09-14 12:03:00","problem_types":["NVD-CWE-noinfo"],"metrics":{"baseMetricV3":{"cvssV3":{"version":"3.1","vectorString":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H","attackVector":"NETWORK","attackComplexity":"LOW","privilegesRequired":"NONE","userInteraction":"NONE","scope":"UNCHANGED","confidentialityImpact":"HIGH","integrityImpact":"HIGH","availabilityImpact":"HIGH","baseScore":9.8,"baseSeverity":"CRITICAL"},"exploitabilityScore":3.9,"impactScore":5.9},"baseMetricV2":{"cvssV2":{"version":"2.0","vectorString":"AV:N/AC:L/Au:N/C:P/I:P/A:P","accessVector":"NETWORK","accessComplexity":"LOW","authentication":"NONE","confidentialityImpact":"PARTIAL","integrityImpact":"PARTIAL","availabilityImpact":"PARTIAL","baseScore":7.5},"severity":"HIGH","exploitabilityScore":10,"impactScore":6.4,"acInsufInfo":false,"obtainAllPrivilege":false,"obtainUserPrivilege":false,"obtainOtherPrivilege":false,"userInteractionRequired":false}},"configurations":{"CVE_data_version":"4.0","nodes":[{"operator":"OR","children":[],"cpe_match":[{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionStartIncluding":"4.0.0","versionEndIncluding":"4.8.5","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionEndExcluding":"3.30.12","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:*:*:*:*:*:*:*:*","versionStartIncluding":"4.9.0","versionEndIncluding":"4.23.1","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:4.24.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:4.25.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:4.26.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:4.27.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:4.28.0:*:*:*:*:*:*:*","cpe_name":[]},{"vulnerable":true,"cpe23Uri":"cpe:2.3:a:facebook:hhvm:4.28.1:*:*:*:*:*:*:*","cpe_name":[]}]}]}},"legacy_mitre":{"record":{"CveYear":"2019","CveId":"11936","Ordinal":"150261","Title":"CVE-2019-11936","CVE":"CVE-2019-11936","Year":"2019"},"notes":[{"CveYear":"2019","CveId":"11936","Ordinal":"1","NoteData":"Various APC functions accept keys containing null bytes as input, leading to premature truncation of input. This issue affects HHVM versions prior to 3.30.12, all versions between 4.0.0 and 4.8.5, all versions between 4.9.0 and 4.23.1, as well as 4.24.0, 4.25.0, 4.26.0, 4.27.0, 4.28.0, and 4.28.1.","Type":"Description","Title":null},{"CveYear":"2019","CveId":"11936","Ordinal":"2","NoteData":"2019-12-04","Type":"Other","Title":"Published"},{"CveYear":"2019","CveId":"11936","Ordinal":"3","NoteData":"2019-12-04","Type":"Other","Title":"Modified"}]}}}