{"cve":{"cve_id":"CVE-2025-68114","is_kev":false,"kev_date_added":null,"kev_vendor_project":null,"kev_product":null,"kev_vulnerability_name":null,"kev_short_description":null,"kev_required_action":null,"kev_due_date":null,"kev_known_ransomware":null,"kev_notes":null,"kev_cwes":null,"epss_score":0.00163,"epss_percentile":0.0584,"epss_as_of":"2026-06-23","description":"Capstone is a disassembly framework. In versions 6.0.0-Alpha5 and prior, an unchecked vsnprintf return in SStream_concat lets a malicious cs_opt_mem.vsnprintf drive SStream’s index negative or past the end, leading to a stack buffer underflow/overflow when the next write occurs. Commit 2c7797182a1618be12017d7d41e0b6581d5d529e fixes the issue.","published_at":"2025-12-17T21:14:31.226000Z","last_modified_at":null,"cvss_v3_score":4.8,"cvss_v3_vector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:L/A:L","cvss_v3_severity":"MEDIUM","cvss_v4_score":null,"cvss_v4_vector":null,"cvss_v4_severity":null,"ssvc_decision":null,"ssvc_exploitation":null,"ssvc_automatable":null,"ssvc_technical_impact":null,"cwes":["CWE-124","CWE-120"],"nvd_references":["https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r","https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e"],"vuln_status":null,"trending_score":null,"is_trending":false,"has_trended":false,"trended_number_one":false,"trending_peak_score":null,"trending_peak_rank":null,"started_trending_at":null,"trended_number_one_at":null,"summary_generated":null,"summary_generated_at":null,"summary_model":null,"created_at":"2026-06-24T00:09:39.878444Z","updated_at":"2026-06-28T23:28:19.026129Z"},"effective_severity":"MEDIUM","badges":[],"impact_analysis":[],"cvss_v3_decoded":{"version":"3.1","metrics":[{"metric":"AV","name":"Attack Vector","value":"L","value_label":"Local"},{"metric":"AC","name":"Attack Complexity","value":"L","value_label":"Low"},{"metric":"PR","name":"Privileges Required","value":"L","value_label":"Low"},{"metric":"UI","name":"User Interaction","value":"R","value_label":"Required"},{"metric":"S","name":"Scope","value":"U","value_label":"Unchanged"},{"metric":"C","name":"Confidentiality","value":"L","value_label":"Low"},{"metric":"I","name":"Integrity","value":"L","value_label":"Low"},{"metric":"A","name":"Availability","value":"L","value_label":"Low"}]},"cvss_v4_decoded":{"version":null,"metrics":[]},"affected":[{"vendor_slug":"capstone-engine","vendor_name":"capstone-engine","product_slug":"capstone","product_name":"capstone","version_start":"<= 6.0.0-Alpha5","version_start_inclusive":true,"version_end":"<= 6.0.0-Alpha5","version_end_inclusive":true,"cpe23_uri":"cve5:capstone-engine:capstone:<= 6.0.0-Alpha5:<= 6.0.0-Alpha5"}],"exploit_refs":[],"news":[],"references":[{"url":"https://github.com/capstone-engine/capstone/security/advisories/GHSA-85f5-6xr3-q76r","source_type":"VENDOR_ADVISORY","tags":["advisory"]},{"url":"https://github.com/capstone-engine/capstone/commit/2c7797182a1618be12017d7d41e0b6581d5d529e","source_type":"PATCH","tags":["patch"]}],"timeline":[{"type":"published","at":"2025-12-17T21:14:31.226000Z","label":"CVE published","source":null},{"type":"cvss_changed","at":"2026-06-28T17:49:14.659294Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:49:14.659294Z","label":"CVSS score revised","source":"cvelistv5"},{"type":"cvss_changed","at":"2026-06-28T17:49:14.659294Z","label":"CVSS score revised","source":"cvelistv5"}]}