Medium
net: icmp: Out of bound memory read
A flaw in Zephyr’s network stack allows an IPv4 packet containing ICMP type 128 to be misclassified as an ICMPv6 Echo Request. This results in an out-of-bounds memory read and creates a potential information-leak vulnerability in the networking subsystem.
Announced Group revision 1
Original source ↗CVE-2025-12899
Primary source · Revision 1
Imported from structured advisory data. Source references identify upstream records or fields; verify affected versions and your deployed configuration.
Security context
Source reference: cve:CVE-2025-12899
Zephyr
Source reference: /containers/cna/affected/0/product
- Affected versions
- Not stated in this record
- Fixed versions
- Not stated in this record
- Prerequisites
- Not stated in this record
Structured affected-version data
Original package identities and version rules from this source.
[
{
"repo": "https://github.com/zephyrproject-rtos/zephyr",
"vendor": "zephyrproject-rtos",
"product": "Zephyr",
"versions": [
{
"status": "affected",
"version": "*",
"lessThan": "3.7.2",
"versionType": "git"
},
{
"status": "affected",
"version": "4.0.0",
"lessThan": "4.2.2",
"versionType": "git"
}
],
"packageName": "Zephyr",
"defaultStatus": "unaffected"
}
]- Related CVEs
- CVE-2025-12899
Source reference:
/cveMetadata/cveId
Publisher severity
medium
Source reference: /containers/cna/metrics
- Event
- #20750 · Revision 1
- Added to Heist Feed
- Publisher date