{"id":"CVE-2020-1903","aliases":["EUVD-2020-12729","GHSA-2468-6hhw-x65x"],"status":"published","title":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and...","description":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.","severity":{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.00658,"percentile":0.5179,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-400"],"published":"2020-10-06T17:35:25Z","modified":"2026-06-17T03:02:35Z","products":[{"vendor":"facebook","product":"whatsapp business for ios"},{"vendor":"facebook","product":"whatsapp for ios"},{"vendor":"whatsapp","product":"whatsapp"},{"vendor":"whatsapp","product":"whatsapp_business"}],"references":[{"url":"https://www.whatsapp.com/security/advisories/2020/","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2020-1903"},{"url":"https://github.com/advisories/GHSA-2468-6hhw-x65x"}],"sources":{"cve":[{"id":"CVE-2020-1903","description":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.","status":"published","published":"2020-10-06T17:35:25Z","modified":"2024-08-04T06:53:59.757Z","cwes":["CWE-400"],"updated_at":"2026-11-02T14:35:56.638833Z"}],"euvd":[{"id":"EUVD-2020-12729","description":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.","status":"published","published":"2020-10-06T17:35:25Z","modified":"2024-08-04T06:53:59Z","updated_at":"2026-11-03T03:08:11.523019Z"}],"ghsa":[{"id":"GHSA-2468-6hhw-x65x","title":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and...","description":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.","status":"published","published":"2022-05-24T17:30:08Z","modified":"2023-01-29T05:04:47Z","updated_at":"2026-11-02T14:45:38.359776Z"}],"nvd":[{"id":"CVE-2020-1903","description":"An issue when unzipping docx, pptx, and xlsx documents in WhatsApp for iOS prior to v2.20.61 and WhatsApp Business for iOS prior to v2.20.61 could have resulted in an out-of-memory denial of service. This issue would have required the receiver to explicitly open the attachment if it was received from a number not in the receiver's WhatsApp contacts.","status":"published","published":"2020-10-06T18:15:15.907Z","modified":"2026-06-17T03:02:35.223Z","cvss":[{"version":"3.1","score":5.5,"vector":"CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H","level":"medium","assessor":"primary"},{"version":"2.0","score":4.3,"vector":"AV:N/AC:M/Au:N/C:N/I:N/A:P","level":"medium","assessor":"primary"}],"cwes":["CWE-400"],"updated_at":"2026-11-02T14:06:17.70091Z"}]}}