01 Record
CVE-2026-19737
NULL pointer dereference in the ESP32 I2S driver when triggering an unsupported direction
MediumPUBLISHEDCNA: zephyr
CNA base score5.5 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
02 Description
NULL pointer dereference in the ESP32 I2S driver when triggering an unsupported direction
03 Exploitation and scoring
- Exploitation
- Not assessed. CISA has not published an exploitation assessment for this record, and it is not in the KEV catalog. That is an absence of assessment, not a finding of no risk.
- SSVC decision
- Not assessed by CISA
- EPSS probability
- Not scored by EPSS
- EPSS percentile
- Not scored by EPSS
- NVD base score
- 5.5 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- NVD analysis status
- Received. NVD last modified this record on 2026-10-11.
- Red Hat severity
- No Red Hat rating. Red Hat rates the CVEs that affect its products.
Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.
04 Metadata
- Published
- 2026-10-11 17:15Z4 HR AGO
- Last updated
- 2026-10-11 17:15Z4 HR AGO
- Reserved
- 2026-08-13
- Assigning CNA
- zephyr
- Record state
- PUBLISHED
- Severity
- Medium (CVSS 5.5)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:L/UI:N/S:U/C:N/I:N/A:H
- Weaknesses
- CWE-476NULL Pointer DereferenceBase
- Data version
- 5.2
- Document digest
- 1859a1dd2346ef7eaaef9050edc6c1981dd32322c9d7c81c4459ea5122c28d69
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comFix commithttps://github.com/zephyrproject-rtos/zephyr/commit/0d82dbbe72f154de32cc45021a9f59d9a737246b
- github.comGHSA-5g9q-h8wq-rrf3https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-5g9q-h8wq-rrf3