CVE-2025-71418 PocketMine-MP before 5.25.2 Denial of Service via explode
Attackers can cause denial of service by sending crafted packets with excessive delimiters to consume server resources.
- Exploited in the wild
- Not known
- Login needed
- Not needed
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-71418?
CVE-2025-71418 is a medium-severity denial of service vulnerability in pmmp PocketMine-MP, published on 9 Sep 2026. An attacker can exploit it over the internet without logging in, with no action from the victim.
Official description
PocketMine-MP versions before 5.25.2 fail to limit the explode() function in packet parsing, allowing malicious clients to waste server resources. Attackers can send crafted packets with excessive delimiters to consume CPU and memory through sign editing, JWT parsing, and command parsing endpoints.
Weakness: CWE-400
Which versions are affected by CVE-2025-71418?
2 open source packages ship an affected version, including pocketmine/pocketmine-mp.
| Package | Affected | Fixed in |
|---|---|---|
pocketmine/pocketmine-mp Packagist | All versions | 5.25.2 |
pocketmine/pocketmine-mp Packagist | All versions | 5.25.2 |
How do I fix CVE-2025-71418?
Upgrade pocketmine/pocketmine-mp to 5.25.2 or later.
Upgrade, then put limits on request size, rate and nesting depth so one client cannot exhaust the service. More about Denial of service.
Is CVE-2025-71418 being exploited?
There is no known exploitation of CVE-2025-71418 in the wild and no public exploit code.
Sources
Also known as GHSA-3rp9-crcm-7w78, GHSA-g274-c6jj-h78p.