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CVE-2026-0329

PAN-OS: Buffer Overflow Vulnerability

Severity
Medium 4.6
Published
11 Nov 2026
Last changed
11 Nov 2026
Added to UpHeron
11 Nov 2026
Fixed in
10.2.18-h14, 11.1.16-h5, 11.2.16-h2, 12.1.10-h4, 12.2.4-h2
Weakness
Out-of-bounds write (CWE-787)
Attack
Over the network · Only under certain conditions · No login needed · No user action needed
Attacker can
Take it down
CVSS vector
CVSS:4.0/AV:N/AC:L/AT:P/PR:N/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Sources
CVE Program

Description

A buffer overflow vulnerability in Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to cause a denial of service (DoS) condition by sending specially crafted network traffic to or through a dataplane interface.

Cloud NGFW and Panorama are not affected by this vulnerability.

From the CVE Program.

Affected software

SoftwareAffected versions
Palo Alto Networks PAN-OSServers and applications · cna:palo alto networks|pan-os
  • From 10.2.0 before 10.2.18-h14
  • From 11.1.0 before 11.1.16-h5
  • From 11.2.0 before 11.2.16-h2
  • From 12.1.0 before 12.1.10-h4
  • From 12.2.0 before 12.2.4-h2

References

  • CVE.org https://www.cve.org/CVERecord?id=CVE-2026-0329