openSUSE-SU-2026:21716-1 Security update for wicked2nm

Not scored Published

A panic in the serialization library causes denial of service when processing empty map entries, requiring an update to the network configuration tool.

Exploited in the wild
Not known
Login needed
Not needed
Attackable
Over the internet
Victim action needed
Not needed
Fix
Available

What is openSUSE-SU-2026:21716-1?

openSUSE-SU-2026:21716-1 is a denial of service vulnerability in wicked2nm, published on 1 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.

Official description

This update for wicked2nm fixes the following issue:

Update to v1.5.2.

Security issues fixed:

  • serde_with: KeyValueMap serialization panics on empty sequence or map entries (bsc#1271848).

Other updates and bugfixes:

  • Build(deps): bump serde_with from 3.18.0 to 3.21.0.
  • Fix flaky tests.
  • Fix team_lacp_ethtool test by setting lacp active explicitly.

Which versions are affected by openSUSE-SU-2026:21716-1?

Linux distribution packages (1)
wicked2nm openSUSE:Leap 16.0All versions1.5.2-160000.1.1

How do I fix openSUSE-SU-2026:21716-1?

Upgrade to a fixed version.

Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.

Is openSUSE-SU-2026:21716-1 being exploited?

There is no known exploitation of openSUSE-SU-2026:21716-1 in the wild and no public exploit code.

Sources

Is openSUSE-SU-2026:21716-1 in your software?

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