{"id":"CVE-2018-11821","aliases":["EUVD-2018-3813","GHSA-j638-8qqx-f34r"],"status":"published","title":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile,...","description":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016","severity":{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-09","score":0.0024,"percentile":0.15115,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-190"],"published":"2018-10-26T13:00:00Z","modified":"2026-06-17T01:36:39Z","products":[{"vendor":"qualcomm","product":"ipq8074_firmware"},{"vendor":"qualcomm","product":"mdm9206_firmware"},{"vendor":"qualcomm","product":"mdm9607_firmware"},{"vendor":"qualcomm","product":"mdm9650_firmware"},{"vendor":"qualcomm","product":"sd_425_firmware"},{"vendor":"qualcomm","product":"sd_427_firmware"},{"vendor":"qualcomm","product":"sd_430_firmware"},{"vendor":"qualcomm","product":"sd_435_firmware"},{"vendor":"qualcomm","product":"sd_450_firmware"},{"vendor":"qualcomm","product":"sd_625_firmware"},{"vendor":"qualcomm","product":"sd_650_firmware"},{"vendor":"qualcomm","product":"sd_652_firmware"},{"vendor":"qualcomm","product":"sd_835_firmware"},{"vendor":"qualcomm","product":"sd_845_firmware"},{"vendor":"qualcomm","product":"sd_850_firmware"},{"vendor":"qualcomm","product":"sda660_firmware"},{"vendor":"qualcomm","product":"sdm630_firmware"},{"vendor":"qualcomm","product":"sdm632_firmware"},{"vendor":"qualcomm","product":"sdm636_firmware"},{"vendor":"qualcomm","product":"sdm660_firmware"},{"vendor":"qualcomm","product":"sdm710_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon mobile, snapdragon wear"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"http://www.securityfocus.com/bid/107681","tags":["vdb-entry","x_refsource_BID","x_transferred","Third Party Advisory","VDB Entry"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11821"},{"url":"https://github.com/advisories/GHSA-j638-8qqx-f34r"}],"sources":{"cve":[{"id":"CVE-2018-11821","description":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016","status":"published","published":"2018-10-26T13:00:00Z","modified":"2024-08-05T08:17:09.225Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3813","description":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016","status":"published","published":"2018-10-26T13:00:00Z","modified":"2024-08-05T08:17:09Z","updated_at":"2026-11-03T02:39:54.565302Z"}],"ghsa":[{"id":"GHSA-j638-8qqx-f34r","title":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile,...","description":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016","status":"published","published":"2022-05-14T01:07:00Z","modified":"2023-02-02T05:02:59Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:51:32.869646Z"}],"nvd":[{"id":"CVE-2018-11821","description":"Possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile, Snapdragon Wear in version IPQ8074, MDM9206, MDM9607, MDM9650, SD 425, SD 427, SD 430, SD 435, SD 450, SD 625, SD 650/52, SD 835, SD 845, SD 850, SDA660, SDM630, SDM632, SDM636, SDM660, SDM710, Snapdragon_High_Med_2016","status":"published","published":"2018-10-26T13:29:00.84Z","modified":"2026-06-17T01:36:39.49Z","cvss":[{"version":"3.0","score":7.8,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:H/A:H","level":"high","assessor":"primary"},{"version":"2.0","score":7.2,"vector":"AV:L/AC:L/Au:N/C:C/I:C/A:C","level":"high","assessor":"primary"}],"cwes":["CWE-190"],"updated_at":"2026-11-02T14:04:46.409324Z"}]}}