Vulnocalypse
Back to feed
49impact

Junos OS: SRX Series: Malformed DNS packet causes service disruption when UTM Anti-Spam SBL is used

Juniper Junos OS · CVE-2026-101955
0 news outlets0 CERTs and agencies0 researchers

What is it?

A Stack-based Buffer Overflow vulnerability in the UTM Anti-Spam SBL of Juniper Networks Junos OS on SRX series allows an unauthenticated remote attacker to cause arbitrary code execution or a denial of service via a injected malformed DNS packet when Anti-Spam SBL inspection is enabled.

Evidence

No coverage recorded yet.

Exploitation

  • Public proof of concept
  • Exploited in the wild
  • Listed as known exploited
CVSS
8.1
EPSS
0.6%
First seen
6 d ago
Status
corroborated

All Juniper vulnerabilities