CVE-2026-0269
PAN-OS: Denial of Service (DoS) in Tunnel Traffic Processing
- Published
- Last modified
- Where the record stands: published, rejected by its publisher, or superseded by another id.What do these mean? →
- published
- Whether CISA lists it in its Known Exploited Vulnerabilities catalog: proof that attackers are using it.What do these mean? →
- Not listed in CISA KEV
- Fix
- Fixed in 12.1.5, 11.2.10, 11.1.6-h21, 10.2.16-h6
- Whether working attack code is public (Exploit-DB, Metasploit, Nuclei or GitHub). Public code makes attacks easier.What do these mean? →
- None on Exploit-DB, Metasploit or GitHub
CISA's decision points: whether it is exploited, whether attacks can be automated, and how much control an attacker gets. Assessed (SSVC 2.0.3).What do these mean? →
- Exploitation: none
- Automatable: no
- Technical impact: partial
Summary
A memory corruption vulnerability in the processing of tunnel traffic in Palo Alto Networks PAN-OS® software allows an authenticated user to initiate system reboots using a maliciously crafted packet. Repeated attempts to initiate a reboot causes the firewall to enter maintenance mode. Panorama, Cloud NGFW, and Prisma® Access are not impacted by this vulnerability.
Timeline
- CVE published
- CISA SSVC assessment
Exploitation: none · Automatable: no · Technical impact: partial
- Record last updated
Affected versions
- Palo Alto Networks Cloud NGFW
Version range not reported
- Palo Alto Networks PAN-OS
From 12.1.0 · fixed in 12.1.5; From 11.2.0 · fixed in 11.2.10; From 11.1.0 · fixed in 11.1.6-h21; From 10.2.0 · fixed in 10.2.16-h6
- Palo Alto Networks Panorama
Version range not reported
- Palo Alto Networks Prisma Access
Version range not reported