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CVE-2026-0329 PAN-OS: Buffer Overflow Vulnerability

4.6 mediumEPSS 0.4%Fix available

Medium (4.6) in palo alto networks. EPSS 0.4% estimated probability of exploitation activity in the next 30 days.

On this page
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.

Severity

CVSS 4.0

4.6 medium
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
EPSS
0.4% estimated probability of exploitation activity in the next 30 days; 37th percentile. Scored 2026-11-13. A forecast for this CVE across the internet, not for your own systems.
CISA's assessment (SSVC)
Exploitation: none · Automatable: no · Technical impact: partial, assessed 2026-11-13. From CISA's Vulnrichment in the CVE List: whether it is exploited, whether exploiting it can be automated, and how much control it gives.
CWE
CWE-787 Out-of-bounds Write
Published
Modified
Assigned by
palo_alto (CNA)
NVD analysis
Awaiting analysis
Record from
the NVD, synced

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Affected

  • palo alto networks:cloud ngfw
  • palo alto networks:pan-os
  • palo alto networks:prisma access

Versions

From the CNA's record in the CVE List.

ProductAffected
Palo Alto Networks PAN-OSfrom 12.2.0 before 12.2.4-h2
Palo Alto Networks PAN-OSfrom 12.1.0 before 12.1.10-h4
Palo Alto Networks PAN-OSfrom 11.2.0 before 11.2.16-h2
Palo Alto Networks PAN-OSfrom 11.1.0 before 11.1.16-h5
Palo Alto Networks PAN-OSfrom 10.2.0 before 10.2.18-h14
Palo Alto Networks Prisma Accessfrom 12.1.0 before 12.1.10-h4
Palo Alto Networks Prisma Accessfrom 11.2.0 before 11.2.7-h24
Palo Alto Networks Prisma Accessfrom 10.2.0 before 10.2.10-h43

Fixed in

ProductFixed in
Palo Alto Networks PAN-OS12.2.4-h2
Palo Alto Networks PAN-OS12.1.10-h4
Palo Alto Networks PAN-OS12.1.7-h12
Palo Alto Networks PAN-OS12.1.4-h14
Palo Alto Networks PAN-OS11.2.16-h2
Palo Alto Networks PAN-OS11.2.13-h5
Palo Alto Networks PAN-OS11.2.10-h18
Palo Alto Networks PAN-OS11.2.7-h24
Palo Alto Networks PAN-OS11.2.4-h24
Palo Alto Networks PAN-OS11.1.16-h5
Palo Alto Networks PAN-OS11.1.13-h17
Palo Alto Networks PAN-OS11.1.10-h37
Palo Alto Networks PAN-OS11.1.7-h13
Palo Alto Networks PAN-OS11.1.6-h41
Palo Alto Networks PAN-OS11.1.4-h39
Palo Alto Networks PAN-OS10.2.18-h14
Palo Alto Networks PAN-OS10.2.16-h13
Palo Alto Networks PAN-OS10.2.13-h28
Palo Alto Networks PAN-OS10.2.10-h43
Palo Alto Networks PAN-OS10.2.7-h40
Palo Alto Networks Prisma Access12.1.10-h4
Palo Alto Networks Prisma Access11.2.7-h24
Palo Alto Networks Prisma Access10.2.10-h43

Fix and patched versions

  • Palo Alto Networks PAN-OS: fixed in 12.2.4-h2
  • Palo Alto Networks PAN-OS: fixed in 12.1.10-h4
  • Palo Alto Networks PAN-OS: fixed in 12.1.7-h12
  • Palo Alto Networks PAN-OS: fixed in 12.1.4-h14
  • Palo Alto Networks PAN-OS: fixed in 11.2.16-h2
  • Palo Alto Networks PAN-OS: fixed in 11.2.13-h5
  • Palo Alto Networks PAN-OS: fixed in 11.2.10-h18
  • Palo Alto Networks PAN-OS: fixed in 11.2.7-h24

References

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