CVE-2026-0329: PAN-OS: Buffer Overflow Vulnerability (Severity: MEDIUM)

Published Nov 11, 2026
·
Updated

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.

Affected Software

3 affected componentsFixes available
Palo Alto Networks Cloud NGFW
Palo Alto Networks PAN-OS<12.2.4-h2, =12.2.0, <12.1.10-h4, =12.1.0, <11.2.16-h2, =11.2.0, <11.1.16-h5, =11.1.0, <10.2.18-h14, =10.2.0
12.2.4-h212.1.10-h412.1.7-h1212.1.4-h1411.2.16-h211.2.13-h511.2.10-h1811.2.7-h2411.2.4-h2411.1.16-h511.1.13-h1711.1.10-h3711.1.7-h1311.1.6-h4111.1.4-h3910.2.18-h1410.2.16-h1310.2.13-h2810.2.10-h4310.2.7-h40
Palo Alto Networks Prisma Access<12.1.10-h4, =12.1.0, <11.2.7-h24, =11.2.0, <10.2.10-h43, =10.2.0
12.1.10-h411.2.7-h2410.2.10-h43

Remediation

Recommended actions to resolve this vulnerability, in priority order.

  1. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 12.2.4-h2Fixed in 12.1.10-h4Fixed in 12.1.7-h12Fixed in 12.1.4-h14Fixed in 11.2.16-h2Fixed in 11.2.13-h5Fixed in 11.2.10-h18Fixed in 11.2.7-h24Fixed in 11.2.4-h24Fixed in 11.1.16-h5Fixed in 11.1.13-h17Fixed in 11.1.10-h37Fixed in 11.1.7-h13Fixed in 11.1.6-h41Fixed in 11.1.4-h39Fixed in 10.2.18-h14Fixed in 10.2.16-h13Fixed in 10.2.13-h28Fixed in 10.2.10-h43Fixed in 10.2.7-h40
  2. Upgrade

    Upgrade to a fixed release to a version that resolves this vulnerability.

    Fixed in 12.1.10-h4Fixed in 11.2.7-h24Fixed in 10.2.10-h43
  3. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.7-h40
  4. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.18-h14
  5. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.13-h28
  6. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.16-h13
  7. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 10.2.10-h43
  8. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.4-h39
  9. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.16-h5
  10. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.13-h17
  11. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.6-h41
  12. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.7-h13
  13. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.1.10-h37
  14. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.4-h24
  15. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.16-h2
  16. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.13-h5
  17. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.7-h24
  18. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 11.2.10-h18
  19. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 12.1.4-h14
  20. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 12.1.7-h12
  21. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 12.1.10-h4
  22. Upgrade

    Upgrade PAN-OS to a version that resolves this vulnerability.

    Fixed in 12.2.4-h2
  23. Upgrade

    Upgrade Prisma Access to a version that resolves this vulnerability.

    Fixed in 10.2.10-h43
  24. Upgrade

    Upgrade Prisma Access to a version that resolves this vulnerability.

    Fixed in 11.2.7-h24
  25. Upgrade

    Upgrade Prisma Access to a version that resolves this vulnerability.

    Fixed in 12.1.10-h4
  26. Configuration

    Disable CRL revocation checking by unchecking Use CRL.

    Certificate Profile Use CRL = false
  27. Configuration

    Disable OCSP revocation checking by unchecking Use OCSP.

    Certificate Profile Use OCSP = false
  28. Configuration

    Disable each configured DNS Proxy object by unchecking Enable.

    DNS Proxy Enable = false
  29. Configuration

    Enable Threat IDs 510051 and 510052 using Applications and Threats content version 9171-10349 and later.

    Threat Prevention Threat IDs 510051 and 510052 = enabled
  30. Configuration

    Decrypt inbound traffic to the management interface so the firewall can inspect it.

    Inbound traffic to the management interface SSL Decryption = enabled
  31. Configuration

    Enable threat prevention on inbound traffic to management services.

    Threat Prevention Threat prevention on inbound traffic to management services = enabled
  32. Configuration

    Replace the Certificate for Inbound Traffic Management.

    Inbound Traffic Management Certificate = replaced
  33. Compensating control

    Route incoming traffic for the MGT port through a DP port, for example by enabling a management profile on a DP interface for management access.

Event History

Nov 11, 2026
Advisory Published
via Palo Alto Networks·05:00 PM
Data Sourced
via Palo Alto Networks·05:00 PM
RemedyDescriptionSeverityWeaknessAffected Software
CVE Published
via MITRE·07:39 PM
Data Sourced
via MITRE·07:39 PM
DescriptionWeakness

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