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Vulnerabilities

Vulnerability · CVE-2026-21378

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

Published Apr 6, 2026 · catalog updated Jun 17, 2026 · wcd9375 firmware

Check if you run it

No confirmed exploitation is on record for CVE-2026-21378. EPSS is 0.07%. Act only if a listed version of wcd9375 firmware is installed.

Gaps on this record

  • No version range is stored. A customer cannot check an installed version against this record.
  • No vendor fix or required action is stored. Compare the linked advisory before you change production.
Severity
High7.8
Known exploitation
Not in CISA/VulnCheck KEV
EPSS
0.07%
Remediation
Advisory link
Affected products
cpe qualcomm/wcd9375 firmware · cpe qualcomm/wcd9378c firmware · cpe qualcomm/wcd9380 firmware · cpe qualcomm/wcd9385 firmware · cpe qualcomm/wcn3950 firmware · cpe qualcomm/wcn3988 firmware

Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

Are you affected?

Enter the version you run. The result uses only the ranges stored on this record.

The check returns affected, not affected, or incomplete. It does not guess a version that is missing from the record.

  • cpe qualcomm/wcd9375 firmwareversion unspecified
  • cpe qualcomm/wcd9378c firmwareversion unspecified
  • cpe qualcomm/wcd9380 firmwareversion unspecified
  • cpe qualcomm/wcd9385 firmwareversion unspecified
  • cpe qualcomm/wcn3950 firmwareversion unspecified
  • cpe qualcomm/wcn3988 firmwareversion unspecified
  • cpe qualcomm/wsa8810 firmwareversion unspecified
  • cpe qualcomm/wsa8815 firmwareversion unspecified
  • cpe qualcomm/wsa8830 firmwareversion unspecified
  • cpe qualcomm/wsa8832 firmwareversion unspecified
  • cpe qualcomm/wsa8835 firmwareversion unspecified
  • cpe qualcomm/wsa8840 firmwareversion unspecified

How to fix CVE-2026-21378

What to do

Three questions, each answered from this record only. Confirm the vendor advisory before you patch.

Should you patch?

No confirmed exploitation is on record for CVE-2026-21378. EPSS is 0.07%. Act only if a listed version of wcd9375 firmware is installed.

Which versions are affected?

Affected version ranges are not on this record. Compare the installed version with the linked vendor advisory before you change production.

What should an analyst verify?

CWE-126. EPSS 0.07%. There is no CISA KEV listing. No Exploit-DB or Metasploit reference is linked. Use the source links for the original advisory.

Code

The project this record applies to. Exploit listings stay in References.

No public source repository is identified for this product.

Timeline

Detection, updates, and resolution for this record.

  1. Apr 6, 2026 · NIST NVD

    Detected

    Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

  2. Jun 17, 2026 · NIST NVD

    Updated

    Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

Sources

  • CVE.orgVulnerability recordCVE-2026-21378

    Official CVE identifier

    cve.org
  • FIRST EPSSExploitation probabilityCVE-2026-21378

    30-day exploitation probability 0.1%

    first.org
  • NIST NVDVulnerability recordCVE-2026-21378

    Memory Corruption when accessing an output buffer without validating its size during IOCTL processing in a camera sensor driver.

    nvd.nist.gov

References

Freshness

Last verified in this catalog Oct 18, 2026. Significant claims (KEV, EPSS, CVSS, affected ranges) come from the source rows above — open the original publisher for the authoritative advisory.