How severe is CVE-2018-11822?

CVE-2018-11822 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.

Is CVE-2018-11822 being actively exploited?

It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.

What products are affected by CVE-2018-11822?

CVE-2018-11822 primarily affects Qualcomm Sd 835 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.

How do I fix CVE-2018-11822?

Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.

When was CVE-2018-11822 published?

CVE-2018-11822 was published on 2018-10-26 and last updated on 2026-06-17.

CVE-2018-11822

CVE-2018-11822 is a high-severity vulnerability in Qualcomm Sd 835 Firmware with a CVSS 3.x base score of 7.8. 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-190.

Key facts

Severity: High (CVSS 3.x base score 7.8)
CVSS v2: 7.2
EPSS exploit prediction: 0% (15th percentile)
Actively exploited: Not listed in CISA KEV
Weakness: CWE-190
Affected product: Qualcomm Sd 835 Firmware
Published: 2018-10-26
Last modified: 2026-06-17

Description

A possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile in version SD 835, SD 845, SD 850, SDA660

Frequently asked questions

What is CVE-2018-11822?: A possible integer overflow may happen in WLAN during memory allocation in Snapdragon Mobile in version SD 835, SD 845, SD 850, SDA660
How severe is CVE-2018-11822?: CVE-2018-11822 has a CVSS 3.x base score of 7.8, rated high severity. It is exploitable over local access with low attack complexity, requires low privileges and no user interaction. Impact on confidentiality is high, integrity high, and availability high.
Is CVE-2018-11822 being actively exploited?: It is not currently listed in CISA's KEV catalog. Its EPSS exploit-prediction score is 0% (15th percentile), an estimate of the probability of exploitation in the next 30 days.
What products are affected by CVE-2018-11822?: CVE-2018-11822 primarily affects Qualcomm Sd 835 Firmware. In total, 4 product configurations (CPEs) are listed as vulnerable; see the affected-products list for the exact versions.
How do I fix CVE-2018-11822?: Review the linked vendor and NVD advisories for patched versions and mitigations, then upgrade or apply the recommended workaround. Given its high severity, prioritise patching exposed systems.
When was CVE-2018-11822 published?: CVE-2018-11822 was published on 2018-10-26 and last updated on 2026-06-17.

References

Affected products (4)

cpe:2.3:o:qualcomm:sd_835_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_845_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sd_850_firmware:-:*:*:*:*:*:*:*
cpe:2.3:o:qualcomm:sda660_firmware:-:*:*:*:*:*:*:*

More vulnerabilities in Qualcomm Sd 835 Firmware

CVE-2017-17772 — Critical (CVSS 9.8): In multiple functions that process 802.11 frames, out-of-bounds reads can occur due to insufficient validation.
CVE-2017-11076 — Critical (CVSS 9.8): On some hardware revisions where VP9 decoding is hardware-accelerated, the frame size is not programmed correctly into…
CVE-2019-2332 — Critical (CVSS 9.8): Memory corruption while accessing the memory as payload size is not validated before access in Snapdragon Auto,…
CVE-2019-2331 — Critical (CVSS 9.8): Possible Integer overflow because of subtracting two integers without checking if the result would overflow or not in…
CVE-2019-2325 — Critical (CVSS 9.8): Out of boundary access due to token received from ADSP and is used without validation as an index into the array in…
CVE-2019-2323 — Critical (CVSS 9.8): Lack of check to ensure crypto engine data passed by user is initialized can result in bus error in Snapdragon Auto,…

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Other CWE-190 (Integer Overflow or Wraparound) vulnerabilities

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CVE-2025-64721 — Critical (CVSS 10.0): Sandboxie is a sandbox-based isolation software for 32-bit and 64-bit Windows NT-based operating systems. In versions…
CVE-2015-5108 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2015-5097 — Critical (CVSS 10.0): Integer overflow in Adobe Reader and Acrobat 10.x before 10.1.15 and 11.x before 11.0.12, Acrobat and Acrobat Reader DC…
CVE-2013-2555 — Critical (CVSS 10.0): Integer overflow in Adobe Flash Player before 10.3.183.75 and 11.x before 11.7.700.169 on Windows and Mac OS X, before…

Browse all CWE-190 (Integer Overflow or Wraparound) vulnerabilities →