Libslirp: libslirp: out-of-bounds heap read in icmp_forward_error() leading to information disclosure
? CVE-2026-120830 · score 7.4/10
What could go wrong?
Microsoft fixed a security weakness. Details are limited to avoid helping attackers.
How urgent is it?
Check Microsoft’s page for details.
Who is affected?
azl3 libslirp 4.9.6-1 on Azure Linux 3.0
What should I do?
Install this month’s updates via Windows Update, Intune or your update tool, then restart.
Known problems
Microsoft lists known issues per update: no KB article listed. Official page.