CVE-2026-1681
Medium · 6.1CVSS
6.1
EPSS
0.1%
Published
May 12, 2026
CISA due date
—
The record
Issuing an ICMP ping via the `net ping` shell command to a device's own IPv4 address causes the network stack to recursively re-enter the input path on the same system work-queue stack. Because the destination is recognized as a local address, both the echo request and the resulting echo reply are processed inline before the current frame returns. The nested input-path frames exceed the work-queue stack and trigger a stack overflow.
Affected packages
| Ecosystem | Package | Introduced | Fixed |
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