CVE-2021-1919

Severity: critical (CVSS 9.8 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 0.8% probability of exploitation in the next 30 days
Public exploit or detection template: none known
Published: 2021-09-08 · updated 2026-06-17
Weakness: CWE-191

Description

Integer underflow can occur when the RTCP length is lesser than than the actual blocks present in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables

Affected products

Qualcomm Apq8009 Firmware: all versions
Qualcomm Apq8009W Firmware: all versions
Qualcomm Apq8017 Firmware: all versions
Qualcomm Apq8037 Firmware: all versions
Qualcomm Apq8053 Firmware: all versions
Qualcomm Apq8084 Firmware: all versions
Qualcomm Apq8096Au Firmware: all versions
Qualcomm Aqt1000 Firmware: all versions
Qualcomm Csr6030 Firmware: all versions
Qualcomm Csrb31024 Firmware: all versions
Qualcomm Mdm8207 Firmware: all versions
Qualcomm Mdm9150 Firmware: all versions
Qualcomm Mdm9206 Firmware: all versions
Qualcomm Mdm9207 Firmware: all versions
Qualcomm Mdm9250 Firmware: all versions
Qualcomm Mdm9607 Firmware: all versions
Qualcomm Mdm9625 Firmware: all versions
Qualcomm Mdm9628 Firmware: all versions
Qualcomm Mdm9635M Firmware: all versions
Qualcomm Mdm9640 Firmware: all versions
Qualcomm Mdm9645 Firmware: all versions
Qualcomm Mdm9650 Firmware: all versions
Qualcomm Mdm9655 Firmware: all versions
Qualcomm Msm8108 Firmware: all versions
Qualcomm Msm8208 Firmware: all versions
Qualcomm Msm8209 Firmware: all versions
Qualcomm Msm8608 Firmware: all versions
Qualcomm Msm8909W Firmware: all versions
Qualcomm Msm8917 Firmware: all versions
Qualcomm Msm8920 Firmware: all versions

References

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