How severe is CVE-2020-11136?

CVE-2020-11136 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-2020-11136 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2020-11136?

CVE-2020-11136 primarily affects Qualcomm Apq8009. In total, 506 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2020-11136?

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-2020-11136 published?

CVE-2020-11136 was published on 2021-01-21 and last updated on 2026-06-17.

CVE-2020-11136

CVE-2020-11136 is a critical-severity vulnerability in Qualcomm Apq8009 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. The underlying weakness is classified as CWE-125.

Key facts

Severity: Critical (CVSS 3.x base score 9.8)
CVSS v2: 10.0
EPSS exploit prediction: 1% (60th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-125
Affected product: Qualcomm Apq8009
Published: 2021-01-21
Last modified: 2026-06-17

Description

Buffer Over-read in audio driver while using malloc management function due to not returning NULL for zero sized memory requirement in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking

Frequently asked questions

What is CVE-2020-11136?: Buffer Over-read in audio driver while using malloc management function due to not returning NULL for zero sized memory requirement in Snapdragon Auto, Snapdragon Compute, Snapdragon Connectivity, Snapdragon Consumer IOT, Snapdragon Industrial IOT, Snapdragon IoT, Snapdragon Mobile, Snapdragon Voice & Music, Snapdragon Wearables, Snapdragon Wired Infrastructure and Networking
How severe is CVE-2020-11136?: CVE-2020-11136 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-2020-11136 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 1% (60th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2020-11136?: CVE-2020-11136 primarily affects Qualcomm Apq8009. In total, 506 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2020-11136?: 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-2020-11136 published?: CVE-2020-11136 was published on 2021-01-21 and last updated on 2026-06-17.

References

Affected products (506)

cpe:2.3:h:qualcomm:apq8009:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8009w:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8017:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8030:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8037:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8052:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8053:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8056:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8060a:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8062:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8064:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8064au:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8076:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8084:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:apq8096au:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:aqt1000:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:ar6003:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:ar8031:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:ar8035:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:ar8151:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:ar9374:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:csra6620:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:csra6640:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:csrb31024:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm8215:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm8215m:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm8615m:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm8635m:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9206:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9215:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9225:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9225m:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9230:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9235m:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9310:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9330:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9607:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9615:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9615m:-:*:*:*:*:*:*:*
cpe:2.3:h:qualcomm:mdm9625:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Apq8009

CVE-2020-11283 — Critical (CVSS 9.8): A buffer overflow can occur when playing an MKV clip due to lack of input validation in Snapdragon Auto, Snapdragon…
CVE-2020-3691 — Critical (CVSS 9.8): Possible out of bound memory access in audio due to integer underflow while processing modified contents in Snapdragon…
CVE-2020-3686 — Critical (CVSS 9.8): Possible memory out of bound issue during music playback when an incorrect bit stream content is copied into array…
CVE-2020-11216 — Critical (CVSS 9.8): Buffer over read can happen in video driver when playing clip with atomsize having value UINT32_MAX in Snapdragon Auto,…
CVE-2020-11213 — Critical (CVSS 9.8): Out of bound reads might occur in while processing Service descriptor due to improper validation of length of fields in…
CVE-2020-11212 — Critical (CVSS 9.8): Out of bounds reads while parsing NAN beacons attributes and OUIs due to improper length of field check in Snapdragon…

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Other CWE-125 (Out-of-bounds Read) vulnerabilities

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CVE-2021-41556 — Critical (CVSS 10.0): sqclass.cpp in Squirrel through 2.2.5 and 3.x through 3.1 allows an out-of-bounds read (in the core interpreter) that…
CVE-2021-21777 — Critical (CVSS 10.0): An information disclosure vulnerability exists in the Ethernet/IP UDP handler functionality of EIP Stack Group OpENer…
CVE-2017-14451 — Critical (CVSS 10.0): An exploitable out-of-bounds read vulnerability exists in libevm (Ethereum Virtual Machine) of CPP-Ethereum. A…
CVE-2013-0767 — Critical (CVSS 10.0): The nsSVGPathElement::GetPathLengthScale function in Mozilla Firefox before 18.0, Firefox ESR 10.x before 10.0.12 and…

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