{"id":"CVE-2018-11976","aliases":["EUVD-2018-3968","GHSA-4cxj-92j7-2925"],"status":"published","title":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto,...","description":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130","severity":{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary","from":"nvd"},"epss":{"day":"2026-11-07","score":0.00204,"percentile":0.10428,"model":"v2026.06.15"},"facts":{"in_kev":false,"known_exploited":false,"public_exploit":false,"fix_available":false},"cwes":["CWE-200"],"published":"2019-05-24T16:44:16Z","modified":"2026-06-17T01:36:56Z","products":[{"vendor":"qualcomm","product":"ipq8074_firmware"},{"vendor":"qualcomm","product":"mdm9150_firmware"},{"vendor":"qualcomm","product":"mdm9206_firmware"},{"vendor":"qualcomm","product":"mdm9607_firmware"},{"vendor":"qualcomm","product":"mdm9650_firmware"},{"vendor":"qualcomm","product":"mdm9655_firmware"},{"vendor":"qualcomm","product":"msm8909w_firmware"},{"vendor":"qualcomm","product":"msm8996au_firmware"},{"vendor":"qualcomm","product":"qca8081_firmware"},{"vendor":"qualcomm","product":"qcs605_firmware"},{"vendor":"qualcomm","product":"qm215_firmware"},{"vendor":"qualcomm","product":"sd_205_firmware"},{"vendor":"qualcomm","product":"sd_210_firmware"},{"vendor":"qualcomm","product":"sd_212_firmware"},{"vendor":"qualcomm","product":"sd_410_firmware"},{"vendor":"qualcomm","product":"sd_412_firmware"},{"vendor":"qualcomm","product":"sd_415_firmware"},{"vendor":"qualcomm","product":"sd_425_firmware"},{"vendor":"qualcomm","product":"sd_427_firmware"},{"vendor":"qualcomm","product":"sd_429_firmware"},{"vendor":"qualcomm","product":"sd_430_firmware"},{"vendor":"qualcomm","product":"sd_435_firmware"},{"vendor":"qualcomm","product":"sd_439_firmware"},{"vendor":"qualcomm","product":"sd_450_firmware"},{"vendor":"qualcomm","product":"sd_615_firmware"},{"vendor":"qualcomm","product":"sd_616_firmware"},{"vendor":"qualcomm","product":"sd_625_firmware"},{"vendor":"qualcomm","product":"sd_632_firmware"},{"vendor":"qualcomm","product":"sd_636_firmware"},{"vendor":"qualcomm","product":"sd_650_firmware"},{"vendor":"qualcomm","product":"sd_652_firmware"},{"vendor":"qualcomm","product":"sd_670_firmware"},{"vendor":"qualcomm","product":"sd_710_firmware"},{"vendor":"qualcomm","product":"sd_712_firmware"},{"vendor":"qualcomm","product":"sd_820_firmware"},{"vendor":"qualcomm","product":"sd_820a_firmware"},{"vendor":"qualcomm","product":"sd_835_firmware"},{"vendor":"qualcomm","product":"sd_845_firmware"},{"vendor":"qualcomm","product":"sd_850_firmware"},{"vendor":"qualcomm","product":"sd_8cx_firmware"},{"vendor":"qualcomm","product":"sda660_firmware"},{"vendor":"qualcomm","product":"sdm439_firmware"},{"vendor":"qualcomm","product":"sdm630_firmware"},{"vendor":"qualcomm","product":"sdm660_firmware"},{"vendor":"qualcomm","product":"snapdragon_high_med_2016_firmware"},{"vendor":"qualcomm","product":"sxr1130_firmware"},{"vendor":"qualcomm, inc.","product":"snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer electronics connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon iot, snapdragon mobile, snapdragon voice \u0026 music, snapdragon wearables, snapdragon wired infrastructure and networking"}],"references":[{"url":"https://www.qualcomm.com/company/product-security/bulletins#_CVE-2018-11976","tags":["x_refsource_CONFIRM","x_transferred","Vendor Advisory"]},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2018-11976"},{"url":"https://github.com/advisories/GHSA-4cxj-92j7-2925"}],"sources":{"cve":[{"id":"CVE-2018-11976","description":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130","status":"published","published":"2019-05-24T16:44:16Z","modified":"2024-08-05T08:24:03.567Z","updated_at":"2026-11-02T14:35:09.570381Z"}],"euvd":[{"id":"EUVD-2018-3968","description":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130","status":"published","published":"2019-05-24T16:44:16Z","modified":"2024-08-05T08:24:03Z","updated_at":"2026-11-03T02:39:53.575925Z"}],"ghsa":[{"id":"GHSA-4cxj-92j7-2925","title":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto,...","description":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130","status":"published","published":"2022-05-24T16:46:34Z","modified":"2023-01-28T05:05:26Z","updated_at":"2026-11-02T14:44:20.513282Z"}],"nvd":[{"id":"CVE-2018-11976","description":"ECDSA signature code leaks private keys from secure world to non-secure world in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice \u0026 Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking in IPQ8074, MDM9150, MDM9206, MDM9607, MDM9650, MDM9655, MSM8909W, MSM8996AU, QCA8081, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 410/12, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 615/16/SD 415, SD 625, SD 632, SD 636, SD 650/52, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130","status":"published","published":"2019-05-24T17:29:01.68Z","modified":"2026-06-17T01:36:56.523Z","cvss":[{"version":"3.0","score":5.5,"vector":"CVSS:3.0/AV:L/AC:L/PR:L/UI:N/S:U/C:H/I:N/A:N","level":"medium","assessor":"primary"},{"version":"2.0","score":4.9,"vector":"AV:L/AC:L/Au:N/C:C/I:N/A:N","level":"medium","assessor":"primary"}],"cwes":["CWE-200"],"updated_at":"2026-11-02T14:04:57.307075Z"}]}}