SB2026061641 - Denial of service in Palo Alto PAN-OS

CSH
CYBERSECURITY HELP
Sign In REGISTER

Main Vulnerability Database SB2026061641

SB2026061641 - Denial of service in Palo Alto PAN-OS

Published: June 16, 2026

Security Bulletin ID SB2026061641
CSH Severity
Low
Patch available
YES
Number of vulnerabilities 1
Exploitation vector Adjecent network
Highest impact Denial of service

Breakdown by Severity

Low 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 1 vulnerability.


1) Improper Check for Unusual or Exceptional Conditions (CVE-ID: CVE-2026-0269)

CWE-ID: CWE-754 - Improper Check for Unusual or Exceptional Conditions

CVSSv4: CVSS:4.0/AV:A/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/U:Clear


The vulnerability allows a remote user to cause a denial of service.

The vulnerability exists due to memory corruption in tunnel traffic processing when handling maliciously crafted tunnel packets. A remote user can send a maliciously crafted packet to cause a denial of service.

Repeated exploitation attempts can cause the firewall to enter maintenance mode. The issue affects firewalls configured with IPSec tunnels or GlobalProtect gateways for remote access.


Remediation

Install update from vendor's website.

References