A buffer overflow vulnerability in the XML processing functionality of Palo Alto Networks PAN-OS® software enables an unauthenticated attacker with network access to the management web or dataplane interface to cause a denial of service (DoS) condition on VM-Series firewalls or execute arbitrary code with root privileges on the PA-Series firewalls. The security risk posed by this issue is minimized when the management interface is restricted to only trusted internal IP addresses according to our recommended best practice deployment guidelines https://live.paloaltonetworks.com/t5/community-blogs/tips-amp-tricks-how-to-secure-the-management-access-of-your-palo/ba-p/464431 . Panorama is impacted by this vulnerability.
Fix
Vendor advisories in the News 1
- CVE-2026-0310 PAN-OS: Buffer Overflow Vulnerability via XML Processing (Severity: HIGH) Palo Alto Networks Security Advisories · 2026-09-09
Every line above is quoted from NVD, CISA, Microsoft, the vendor's own advisory or DISA; nothing is generated.
Change history 1
- First seenCVSS 7.2NVD modified 2026-10-15 02:18
Affected (CPE criteria) 0
NVD has not attached CPE configurations yet.