CVE-2021-1975
Possible heap overflow due to improper length check of domain while parsing the DNS response in...
Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- None
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
CVE List Score used
Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
- Record
CVE-2021-1975- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-02
EUVDEUVD-2021-7439
Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
- Record
EUVD-2021-7439- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - Updated
- 2026-11-03
GitHub AdvisoriesGHSA-fqhw-6hfw-h298 No score
Possible heap overflow due to improper length check of domain while parsing the DNS response in...
Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
- Record
GHSA-fqhw-6hfw-h298- Weakness
- CWE-787
- Updated
- 2026-11-02
NVD
Possible heap overflow due to improper length check of domain while parsing the DNS response in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Voice & Music, Snapdragon Wearables
- Record
CVE-2021-1975- CVSS 3.1
- 9.8 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H - CVSS 2.0
- 10.0 High
AV:N/AC:L/Au:N/C:C/I:C/A:C - Weakness
- CWE-787
- Updated
- 2026-11-02
Affected products
- qualcomm, inc. snapdragon auto, snapdragon compute, snapdragon connectivity, snapdragon consumer iot, snapdragon industrial iot, snapdragon iot, snapdragon voice & music, snapdragon wearables
- qualcomm apq8009 firmware
- qualcomm apq8009w firmware
- qualcomm apq8017 firmware
- qualcomm apq8037 firmware
- qualcomm apq8096au firmware
- qualcomm ar6003 firmware
- qualcomm ar8035 firmware
- qualcomm csr6030 firmware
- qualcomm csrb31024 firmware
- qualcomm fsm10055 firmware
- qualcomm fsm10056 firmware
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- qualcomm mdm8207 firmware
- qualcomm mdm8215 firmware
- qualcomm mdm8215m firmware
- qualcomm mdm8615m firmware
- qualcomm mdm9150 firmware
- qualcomm mdm9205 firmware
- qualcomm mdm9206 firmware
- qualcomm mdm9207 firmware
- qualcomm mdm9215 firmware
- qualcomm mdm9230 firmware
- qualcomm mdm9250 firmware
- qualcomm mdm9310 firmware
- qualcomm mdm9330 firmware
- qualcomm mdm9607 firmware
- qualcomm mdm9615 firmware
- qualcomm mdm9615m firmware
- qualcomm mdm9628 firmware
- qualcomm mdm9630 firmware
- qualcomm mdm9640 firmware
- qualcomm mdm9650 firmware
- qualcomm msm8108 firmware
- qualcomm msm8208 firmware
- qualcomm msm8209 firmware
- qualcomm msm8608 firmware
- qualcomm msm8909w firmware
- qualcomm msm8917 firmware
- qualcomm msm8920 firmware
- qualcomm msm8937 firmware
- qualcomm msm8940 firmware
- qualcomm msm8976 firmware
- qualcomm msm8976sg firmware
- qualcomm msm8996au firmware
- qualcomm qca4004 firmware
- qualcomm qca6174 firmware
- qualcomm qca6174a firmware
- qualcomm qca6310 firmware
- qualcomm qca6320 firmware
- qualcomm qca6335 firmware
- qualcomm qca6390 firmware
- qualcomm qca6391 firmware
- qualcomm qca6421 firmware
- qualcomm qca6426 firmware
- qualcomm qca6431 firmware
- qualcomm qca6436 firmware
- qualcomm qca6564a firmware
- qualcomm qca6564au firmware
- qualcomm qca6574 firmware
- qualcomm qca6574a firmware
- qualcomm qca6574au firmware
- qualcomm qca6584 firmware
- qualcomm qca6584au firmware
- qualcomm qca6595 firmware
- qualcomm qca6595au firmware
- qualcomm qca6694 firmware
- qualcomm qca6694au firmware
- qualcomm qca6696 firmware
- qualcomm qca8081 firmware
- qualcomm qca8337 firmware
- qualcomm qca9367 firmware
- qualcomm qca9377 firmware
- qualcomm qca9379 firmware
- qualcomm qcm4290 firmware
- qualcomm qcm6125 firmware
- qualcomm qcm6490 firmware
- qualcomm qcs410 firmware
- qualcomm qcs4290 firmware
- qualcomm qcs603 firmware
- qualcomm qcs605 firmware
- qualcomm qcs610 firmware
- qualcomm qcs6125 firmware
- qualcomm qcs6490 firmware
- qualcomm qcx315 firmware
- qualcomm qsm8350 firmware
- qualcomm qsw8573 firmware
- qualcomm qualcomm215 firmware
- qualcomm sa415m firmware
- qualcomm sa6145p firmware
- qualcomm sa6150p firmware
- qualcomm sa6155 firmware
- qualcomm sa6155p firmware
- qualcomm sa8145p firmware
- qualcomm sa8150p firmware
- qualcomm sa8155 firmware
- qualcomm sa8155p firmware
- qualcomm sa8195p firmware
- qualcomm sc8180x\+sdx55 firmware
- qualcomm sd205 firmware
- qualcomm sd210 firmware
- qualcomm sd429 firmware
- qualcomm sd439 firmware
- qualcomm sd450 firmware
- qualcomm sd460 firmware
- qualcomm sd480 firmware
- qualcomm sd632 firmware
- qualcomm sd662 firmware
- qualcomm sd665 firmware
- qualcomm sd675 firmware
- qualcomm sd678 firmware
- qualcomm sd690 5g firmware
- qualcomm sd712 firmware
- qualcomm sd720g firmware
- qualcomm sd730 firmware
- qualcomm sd750g firmware
- qualcomm sd765 firmware
- qualcomm sd765g firmware
- qualcomm sd768g firmware
- qualcomm sd778g firmware
- qualcomm sd780g firmware
- qualcomm sd7c firmware
- qualcomm sd820 firmware
- qualcomm sd821 firmware
- qualcomm sd850 firmware
- qualcomm sd865 5g firmware
- qualcomm sd870 firmware
- qualcomm sd888 5g firmware
- qualcomm sd 455 firmware
- qualcomm sd 636 firmware
- qualcomm sd 675 firmware
- qualcomm sd 8c firmware
- qualcomm sd 8cx firmware
- qualcomm sda429w firmware
- qualcomm sdm429w firmware
- qualcomm sdm630 firmware
- qualcomm sdw2500 firmware
- qualcomm sdx12 firmware
- qualcomm sdx20 firmware
- qualcomm sdx24 firmware
- qualcomm sdx50m firmware
- qualcomm sdx55 firmware
- qualcomm sdx55m firmware
- qualcomm sdx65 firmware
- qualcomm sdxr1 firmware
- qualcomm sdxr2 5g firmware
- qualcomm sm6225 firmware
- qualcomm sm6250 firmware
- qualcomm sm6250p firmware
- qualcomm sm6375 firmware
- qualcomm sm7250 firmware
- qualcomm sm7325 firmware
- qualcomm sm8450 firmware
- qualcomm sm8450p firmware
- qualcomm wcd9306 firmware
- qualcomm wcd9330 firmware
- qualcomm wcd9360 firmware
- qualcomm wcd9370 firmware
- qualcomm wcd9371 firmware
- qualcomm wcd9375 firmware
- qualcomm wcd9380 firmware
- qualcomm wcd9385 firmware
- qualcomm wcn3610 firmware
- qualcomm wcn3620 firmware
- qualcomm wcn3660 firmware
- qualcomm wcn3660b firmware
- qualcomm wcn3680 firmware
- qualcomm wcn3910 firmware
- qualcomm wcn3950 firmware
- qualcomm wcn3988 firmware
- qualcomm wcn3991 firmware
- qualcomm wcn6740 firmware
- qualcomm wcn6750 firmware
- qualcomm wcn6850 firmware
- qualcomm wcn6851 firmware
- qualcomm wcn6855 firmware
- qualcomm wcn6856 firmware
- qualcomm wcn7850 firmware
- qualcomm wcn7851 firmware
- qualcomm whs9410 firmware
- qualcomm wsa8830 firmware
- qualcomm wsa8835 firmware
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2021-1975 is a critical vulnerability (CVSS 9.8) in Qualcomm, Inc. Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer Iot, Snapdragon Industrial Iot, Snapdragon Iot, Snapdragon Voice & Music, Snapdragon Wearables, published November 12, 2021. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 0.87%, the 59th percentile. No source names a fixed version.