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01 Record

CVE-2026-0297

GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake

MediumPUBLISHEDCNA: palo_alto
CNA base score5.2 CVSS v4.0CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber

02 Description

GlobalProtect App: Buffer Overflow Vulnerability during UDP Tunnel Handshake

03 Exploitation and scoring

Exploitation
Assessed, none found. CISA's assessment recorded neither public exploit code nor evidence of exploitation when it was made.
SSVC decision
  • ExploitationnoneCISA recorded no public exploit code and no evidence of exploitation.
  • AutomatablenoAt least one step from reconnaissance to exploitation cannot be reliably automated.
  • Technical ImpacttotalSuccessful exploitation gives total control of the vulnerable component.
CISA publishes the decision points, not a final SSVC decision. The decision also depends on mission and well-being impact, which is a property of your deployment rather than of the vulnerability.
EPSS probability
0.59% probability of exploitation activity in the next 30 days.
EPSS percentile
Equal to or higher than the score of 48.3% of scored records. A rank, not a probability.
NVD base score
5.2 (CVSS v4.0), scored by the NVD independently of the CNA.
NVD CVSS vector
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:N/R:U/V:D/RE:M/U:Amber
NVD analysis status
Undergoing Analysis. NVD last modified this record on 2026-10-23.
Red Hat severity
No Red Hat rating. Red Hat rates the CVEs that affect its products.

Exploit-prediction scores from FIRST. Independent scoring and analysis status from the NVD. Vendor severity from Red Hat. Exploitation assessment and catalog membership from CISA.

04 Metadata

Published
2026-08-13 02:01Z2 MO AGO
Last updated
2026-08-13 13:20Z2 MO AGO
Reserved
2025-11-03
Assigning CNA
palo_alto
Record state
PUBLISHED
Severity
Medium (CVSS 5.2)
CNA CVSS vector
CVSS:4.0/AV:A/AC:L/AT:P/PR:N/UI:N/VC:H/VI:H/VA:H/SC:N/SI:N/SA:N/E:U/AU:N/R:U/V:D/RE:M/U:Amber
Weaknesses
Data version
5.2
Document digest
1fa4f74f93c2dde09acb3c1092d4cad5fec2af3a0a5135e1ddb5018710f8a854

05 Affected products

VendorProductVersionsPlatforms
Palo Alto NetworksGlobalProtect App6.3.0 to < 6.3.3-h15, 6.2.0, 6.0.0 to < 6.0.15, 6.3.0 to < 6.3.3-h14, 6.2.0 to < 6.2.8-h13, 6.3.0 to < 6.3.5Linux, macOS, Windows, iOS, Android, Chrome OS

06 References

07 Remediation

VERSION MINOR VERSION SUGGESTED SOLUTION GlobalProtect App 6.3/6.2 on Linux 6.2.0 through 6.3.3-h14 Upgrade to 6.3.3-h15 or later. GlobalProtect App 6.0 on Linux 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later. GlobalProtect App 6.3 on macOS 6.3.0 through 6.3.3-h13 Upgrade to 6.3.3-h14 (6.3.3-1121) or later. GlobalProtect App 6.2 on macOS 6.2.0 through 6.2.8-h12 Upgrade to 6.2.8-h13 (6.2.8-1045) or later. GlobalProtect App 6.0 on macOS 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later. GlobalProtect App 6.3 on Windows 6.3.0 through 6.3.3-h13 Upgrade to 6.3.3-h14 (6.3.3-1121) or later. GlobalProtect App 6.2 on Windows 6.2.0 through 6.2.8-h12 Upgrade to 6.2.8-h13 (6.2.8-1045) or later. GlobalProtect App 6.0 on Windows 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later. GlobalProtect App 6.3/6.1 on iOS 6.1.0 through 6.3.4 Upgrade to 6.3.5 or later. GlobalProtect App 6.0 on iOS 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later. GlobalProtect App 6.3/6.1 on Android 6.1.0 through 6.3.4 Upgrade to 6.3.5 or later. GlobalProtect App 6.0 on Android 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later. GlobalProtect App 6.3/6.1 on ChromeOS 6.1.0 through 6.3.4 Upgrade to 6.3.5 or later. GlobalProtect App 6.0 on ChromeOS 6.0.0 through 6.0.14 Upgrade to 6.0.15 or later.