What is CVE-2019-2309?

CVE-2019-2309 is a critical-severity vulnerability in Qualcomm Mdm9150, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-07-25.

How severe is CVE-2019-2309?

Critical severity. CVSS v3 base score is 9.8 out of 10.

Integer overflow in Qualcomm Mdm9150

CVE-2019-2309

While storing calibrated data from firmware in cache, An integer overflow may occur since data length received may exceed real data length. in Snapdragon Auto, Snapdragon Consumer Electronics Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon Mobile, Snapdragon Voice & Music in MDM9150, MDM9206, MDM9607, MDM9640, MDM9650, MSM8996AU, QCA6174A, QCA6574AU, QCA9377, QCA9379, SD 210/SD 212/SD 205, SD 425, SD 625, SD 636, SD 712 / SD 710 / SD 670, SD 820A, SD 845 / SD 850, SDM660, SDX20

Vulnerability class: Integer Overflow

Published 2019-07-25 · last modified 2026-06-17.

CVSS v3 metric

CVSS v3 base score 9.8 (Critical). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H.

EPSS exploit prediction

EPSS: 0.007 (52.8th percentile), scored 2026-09-30.

Very low probability of exploitation in the next 30 days; routine patching cadence is appropriate. 53rd percentile — 52.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.

EPSS over last 30 days · oldest: 0.007 · newest: 0.007 · change: 0.000

Affected products

Weakness classification (CWE)

CWE-190 — Integer Overflow or Wraparound

References

www.codeaurora.org/security-bulletin/2019/07/01/july-2019-code-aurora-security-… (Patch, Third Party Advisory)

Frequently asked questions

What is CVE-2019-2309?: CVE-2019-2309 is a critical-severity vulnerability in Qualcomm Mdm9150, classified under Integer Overflow or Wraparound. CVSS score: 9.8/10. Published 2019-07-25.
How severe is CVE-2019-2309?: Critical severity. CVSS v3 base score is 9.8 out of 10.