What is the severity of CVE-2021-1919?

The severity of CVE-2021-1919 is categorized as high due to the potential for an integer underflow that can lead to system instability or crashes.

How do I fix CVE-2021-1919?

To fix CVE-2021-1919, update your affected Qualcomm firmware to the latest patched version provided by Qualcomm or your device manufacturer.

What products are affected by CVE-2021-1919?

CVE-2021-1919 affects various Qualcomm products including the Snapdragon Auto, Snapdragon Compute, and several models in the Snapdragon series.

How does CVE-2021-1919 exploit the system?

CVE-2021-1919 exploits the system by leveraging an integer underflow when the RTCP length is lesser than the actual blocks present, potentially causing a denial of service.

Are there any workarounds for CVE-2021-1919 before applying a fix?

Currently, there are no recommended workarounds for CVE-2021-1919; updating the firmware is the primary method to mitigate the vulnerability.

Vulnerability/
CVE-2021-1919

critical

CWE

191

2/8/2021

8/9/2021

3/8/2024

CVE-2021-1919: Integer Underflow

First published: Mon Aug 02 2021(Updated: )

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

Credit: product-security@qualcomm.com

Affected Software	Affected Version	How to fix
Qualcomm apq8009 firmware
Qualcomm apq8009
qualcomm apq8009w firmware
qualcomm apq8009w
Qualcomm apq8017 firmware
Qualcomm apq8017
qualcomm apq8037 firmware
qualcomm apq8037
Qualcomm APQ8053 Firmware
Qualcomm APQ8053 Firmware
Qualcomm Apq8084 Firmware
qualcomm apq8084
Qualcomm apq8096au firmware
Qualcomm apq8096au
Qualcomm aqt1000 firmware
Qualcomm aqt1000
qualcomm csr6030 firmware
qualcomm csr6030
Qualcomm csrb31024 firmware
Qualcomm csrb31024
qualcomm mdm8207 firmware
qualcomm mdm8207
Qualcomm MDM9150 firmware
Qualcomm MDM9150
Qualcomm MDM9206 firmware
Qualcomm MDM9206
qualcomm mdm9207 firmware
qualcomm mdm9207
Qualcomm mdm9250 firmware
Qualcomm mdm9250
Qualcomm MDM9607 firmware
Qualcomm MDM9607
Qualcomm MDM9625 firmware
Qualcomm MDM9625
Qualcomm mdm9628 firmware
Qualcomm mdm9628
Qualcomm MDM9635M firmware
Qualcomm MDM9635M
qualcomm mdm9640 firmware
qualcomm MDM9640
qualcomm mdm9645 firmware
qualcomm mdm9645
Qualcomm MDM9650 firmware
Qualcomm MDM9650
Qualcomm MDM9655 firmware
Qualcomm MDM9655
qualcomm msm8108 firmware
qualcomm msm8108
qualcomm msm8208 firmware
qualcomm msm8208
qualcomm msm8209 firmware
qualcomm msm8209
qualcomm msm8608 firmware
qualcomm msm8608
Qualcomm MSM8909W
Qualcomm MSM8909W
Qualcomm msm8917 firmware
Qualcomm msm8917
qualcomm MSM8920 firmware
qualcomm MSM8920
qualcomm MSM8937 firmware
qualcomm MSM8937
qualcomm MSM8940 firmware
qualcomm MSM8940
Qualcomm msm8953 firmware
Qualcomm msm8953
Qualcomm 8976 Firmware
Qualcomm 8976
qualcomm msm8976sg firmware
Qualcomm 8976
Qualcomm MSM8996AU Firmware
Qualcomm MSM8996AU Firmware
Qualcomm qca6174a firmware
Qualcomm qca6174a
qualcomm qca6310 firmware
qualcomm qca6310
qualcomm qca6320 firmware
qualcomm qca6320
Qualcomm qca6335 firmware
Qualcomm qca6335
Qualcomm qca6390 firmware
Qualcomm qca6390
qualcomm qca6391 firmware
qualcomm qca6391
Qualcomm qca6420 firmware
Qualcomm qca6420
qualcomm qca6421 firmware
qualcomm qca6421
qualcomm qca6426 firmware
qualcomm qca6426
Qualcomm qca6430 firmware
Qualcomm qca6430
qualcomm qca6431 firmware
qualcomm qca6431
qualcomm qca6436 firmware
qualcomm qca6436
Qualcomm qca6564a firmware
Qualcomm qca6564a
qualcomm qca6564au firmware
qualcomm qca6564au
qualcomm qca6574 firmware
qualcomm qca6574
qualcomm qca6574a firmware
qualcomm qca6574a
qualcomm qca6574au firmware
qualcomm qca6574au
qualcomm QCA6584AU firmware
qualcomm QCA6584AU
qualcomm qca6595au firmware
qualcomm qca6595au
qualcomm qca6694 firmware
qualcomm qca6694
qualcomm qca6694au firmware
qualcomm qca6694au
qualcomm qca6696 firmware
qualcomm qca6696
Qualcomm qca9367 firmware
Qualcomm qca9367
Qualcomm qca9377 firmware
Qualcomm qca9377
qualcomm qca9379 firmware
qualcomm qca9379
Qualcomm qcm4290 firmware
Qualcomm qcm4290
Qualcomm qcm6125 firmware
Qualcomm qcm6125
qualcomm qcs410 firmware
qualcomm qcs410
Qualcomm qcs4290 firmware
Qualcomm qcs4290
Qualcomm qcs603 firmware
Qualcomm qcs603
Qualcomm QCS605 firmware
Qualcomm QCS605
qualcomm qcs610 firmware
qualcomm qcs610
Qualcomm qcs6125 firmware
Qualcomm qcs6125
qualcomm qcx315 firmware
qualcomm qcx315
Qualcomm qsw8573 firmware
Qualcomm qsw8573
Qualcomm qualcomm215 firmware
Qualcomm qualcomm215
Qualcomm sa415m firmware
Qualcomm sa415m
Qualcomm sa515m firmware
Qualcomm sa515m
Qualcomm sa8155 firmware
Qualcomm sa8155
Qualcomm sa8155p firmware
Qualcomm sa8155p
qualcomm SC8180X firmware
qualcomm SC8180X
Qualcomm sdx55 firmware
Qualcomm sdx55
qualcomm sd 455 Firmware
qualcomm sd 455
qualcomm SD 636 firmware
qualcomm SD 636
qualcomm SD 675 firmware
qualcomm SD 675
qualcomm sd 8c firmware
qualcomm sd 8c
qualcomm SD 8CX firmware
qualcomm SD 8CX
Qualcomm sd205 firmware
Qualcomm sd205
Qualcomm sd210 firmware
Qualcomm sd210
Qualcomm sd429 firmware
Qualcomm sd429
Qualcomm sd439 firmware
Qualcomm sd439
Qualcomm sd450 firmware
Qualcomm sd450
Qualcomm SD 480 Firmware
Qualcomm Snapdragon 480
Qualcomm sd632 firmware
Qualcomm sd632
Qualcomm sd665 firmware
Qualcomm sd665
qualcomm sd670 firmware
qualcomm sd670
qualcomm sd675 firmware
qualcomm sd675
Qualcomm sd678 firmware
Qualcomm sd678
qualcomm sd690 5g firmware
qualcomm sd690 5g
qualcomm sd712 firmware
qualcomm sd712
Qualcomm sd720g firmware
Qualcomm sd720g
Qualcomm sd730 firmware
Qualcomm Sd730
Qualcomm sd750g firmware
Qualcomm sd750g
Qualcomm sd765 firmware
Qualcomm sd765
Qualcomm sd765g firmware
Qualcomm sd765g
Qualcomm sd768g firmware
Qualcomm sd768g
qualcomm sd778g firmware
qualcomm sd778g
qualcomm sd820 Firmware
qualcomm sd820
qualcomm sd821 firmware
qualcomm sd821
Qualcomm sd835 firmware
Qualcomm sd835
Qualcomm sd845 firmware
Qualcomm sd845
qualcomm sd850 firmware
qualcomm sd850
qualcomm sd855 firmware
qualcomm sd855
qualcomm sd865 5g firmware
qualcomm sd865 5g
Qualcomm sd870 firmware
Qualcomm sd870
qualcomm sd888 5g firmware
qualcomm sd888 5g
qualcomm SDM630 firmware
qualcomm SDM630
qualcomm sdw2500 firmware
qualcomm sdw2500
Qualcomm SD 12 Firmware
qualcomm sdx12
Qualcomm SDX20 Firmware
Qualcomm SDX20 Firmware
Qualcomm sdx24 firmware
Qualcomm sdx24
Qualcomm sdx50m firmware
Qualcomm sdx50m
Qualcomm sdx55m firmware
Qualcomm sdx55m
Qualcomm sdxr1 firmware
qualcomm sdxr1
qualcomm sdxr2 5g firmware
qualcomm sdxr2 5g
Qualcomm sm6250 firmware
Qualcomm sm6250
Qualcomm sm6250p firmware
Qualcomm sm6250p
qualcomm sm7250 firmware
qualcomm sm7250
qualcomm wcd9306 firmware
qualcomm wcd9306
Qualcomm wcd9330 firmware
Qualcomm wcd9330
qualcomm wcd9340 firmware
qualcomm wcd9340
Qualcomm wcd9360 firmware
Qualcomm wcd9360
Qualcomm wcd9370 firmware
Qualcomm wcd9370
Qualcomm wcd9371 firmware
Qualcomm wcd9371
Qualcomm wcd9375 firmware
Qualcomm wcd9375
qualcomm wcd9380 firmware
qualcomm wcd9380
qualcomm wcd9385 firmware
qualcomm wcd9385
Qualcomm wcn3610 firmware
Qualcomm wcn3610
Qualcomm wcn3615 firmware
Qualcomm wcn3615
Qualcomm wcn3620 firmware
Qualcomm wcn3620
Qualcomm wcn3660 firmware
Qualcomm wcn3660
Qualcomm wcn3660b firmware
Qualcomm wcn3660b
Qualcomm wcn3680 firmware
Qualcomm wcn3680
Qualcomm wcn3680b firmware
Qualcomm wcn3680b
Qualcomm wcn3910 firmware
Qualcomm wcn3910
Qualcomm WCN3950 Firmware
qualcomm wcn3950
qualcomm wcn3988 firmware
Qualcomm WCN3988
Qualcomm WCN3991 Firmware
Qualcomm WCN3991 Firmware
Qualcomm wcn3998 firmware
Qualcomm wcn3998
qualcomm wcn6750 firmware
qualcomm wcn6750
Qualcomm WCN6850 Firmware
Qualcomm WCN6850 Firmware
Qualcomm WCN6851 Firmware
Qualcomm WCN6851 Firmware
Qualcomm wcn6855 firmware
qualcomm wcn6855
Qualcomm wcn6856 firmware
qualcomm wcn6856
qualcomm whs9410 firmware
qualcomm whs9410
qualcomm wsa8810 firmware
qualcomm wsa8810
qualcomm wsa8815 firmware
qualcomm wsa8815
qualcomm wsa8830 firmware
qualcomm wsa8830
qualcomm wsa8835 firmware
qualcomm wsa8835
Android

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Reference Links

Frequently Asked Questions

What is the severity of CVE-2021-1919?
The severity of CVE-2021-1919 is categorized as high due to the potential for an integer underflow that can lead to system instability or crashes.
How do I fix CVE-2021-1919?
To fix CVE-2021-1919, update your affected Qualcomm firmware to the latest patched version provided by Qualcomm or your device manufacturer.
What products are affected by CVE-2021-1919?
CVE-2021-1919 affects various Qualcomm products including the Snapdragon Auto, Snapdragon Compute, and several models in the Snapdragon series.
How does CVE-2021-1919 exploit the system?
CVE-2021-1919 exploits the system by leveraging an integer underflow when the RTCP length is lesser than the actual blocks present, potentially causing a denial of service.
Are there any workarounds for CVE-2021-1919 before applying a fix?
Currently, there are no recommended workarounds for CVE-2021-1919; updating the firmware is the primary method to mitigate the vulnerability.