CVE-2019-2256

CVE-2019-2256 is a critical-severity vulnerability in Qualcomm Mdm9650 Firmware with a CVSS 3.x base score of 9.8. It is not currently listed as actively exploited by CISA, and its EPSS exploit-prediction score is low.

Key facts

• Severity: Critical (CVSS 3.x base score 9.8)
• CVSS v2: 10.0
• EPSS exploit prediction: 2% (72nd percentile)
• Actively exploited: Not listed in CISA KEV
• Affected product: Qualcomm Mdm9650 Firmware
• Published: 2019-06-14
• Last modified: 2026-06-17

Description

An unprivileged user can craft a bitstream such that the payload encoded in the bitstream gains code execution in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MDM9650, MSM8909W, MSM8996AU, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130

Frequently asked questions

What is CVE-2019-2256?

An unprivileged user can craft a bitstream such that the payload encoded in the bitstream gains code execution in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables in MDM9650, MSM8909W, MSM8996AU, QCS605, Qualcomm 215, SD 210/SD 212/SD 205, SD 425, SD 427, SD 430, SD 435, SD 439 / SD 429, SD 450, SD 625, SD 632, SD 636, SD 675, SD 712 / SD 710 / SD 670, SD 820, SD 820A, SD 835, SD 845 / SD 850, SD 855, SD 8CX, SDA660, SDM439, SDM630, SDM660, Snapdragon_High_Med_2016, SXR1130

How severe is CVE-2019-2256?

CVE-2019-2256 has a CVSS 3.x base score of 9.8, rated critical severity. It is exploitable over network with low attack complexity, requires no privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2019-2256 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 2% (72nd percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2019-2256?

CVE-2019-2256 primarily affects Qualcomm Mdm9650 Firmware. In total, 35 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2019-2256?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its critical severity, prioritise patching exposed systems.

When was CVE-2019-2256 published?

CVE-2019-2256 was published on 2019-06-14 and last updated on 2026-06-17.

References

• https://www.qualcomm.com/company/product-security/bulletins

Affected products (35)

• cpe:2.3:o:qualcomm:mdm9650_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8909w_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:msm8996au_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qcs605_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:qm215_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_210_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_212_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_205_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_425_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_427_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_430_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_435_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_439_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_429_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_450_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_625_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_632_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_636_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_675_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_712_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_710_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_670_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_820_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_820a_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_835_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_845_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_850_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_855_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sd_8cx_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sda660_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm439_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm630_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sdm660_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:snapdragon_high_med_2016_firmware:-:*:*:*:*:*:*:*
• cpe:2.3:o:qualcomm:sxr1130_firmware:-:*:*:*:*:*:*:*

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