01 Record
CVE-2026-18418
Out-of-bounds read when the zbus proxy agent IPC backend logs a rejected peer frame's channel name
LowPUBLISHEDCNA: zephyr
CNA base score3.4 CVSS v3.xCVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L
02 Description
Out-of-bounds read when the zbus proxy agent IPC backend logs a rejected peer frame's channel name
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
- 3.4 (CVSS v3.x), scored by the NVD independently of the CNA.
- NVD CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L
- 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
- 2026-07-30
- Assigning CNA
- zephyr
- Record state
- PUBLISHED
- Severity
- Low (CVSS 3.4)
- CNA CVSS vector
- CVSS:3.1/AV:L/AC:L/PR:H/UI:N/S:U/C:L/I:N/A:L
- Weaknesses
- CWE-125Out-of-bounds ReadBase
- Data version
- 5.2
- Document digest
- 54db217e120c99a748ef84bab8e584492500700839c45a7d6b938877ecb34f9a
05 Affected products
VendorProductVersionsPlatforms
06 References
- github.comFix commithttps://github.com/zephyrproject-rtos/zephyr/commit/fc065f79a568a6c6cc14b89795bd60e5eabd6f02
- github.comGHSA-48w8-fjhj-r9w8https://github.com/zephyrproject-rtos/zephyr/security/advisories/GHSA-48w8-fjhj-r9w8