High severity8.1NVD Advisory· Published Oct 14, 2026

CVE-2026-101955

Description

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.

Affected products

Juniper Networks/Junos OSllm-fuzzy
Juniper Networks/SRX Seriesllm-fuzzy

Patches

Vulnerability mechanics

References

supportportal.juniper.net/JSA112186nvd

News mentions

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