CVE-2025-71417 PocketMine-MP before 5.32.1 Denial of Service via ResourcePackClientResponsePacket
Authenticated attackers can cause server memory exhaustion and denial of service by sending duplicate pack UUIDs in PocketMine-MP.
- Exploited in the wild
- Not known
- Login needed
- Any signed-in user
- Attackable
- Over the internet
- Victim action needed
- Not needed
- Fix
- None listed
What is CVE-2025-71417?
CVE-2025-71417 is a high-severity denial of service vulnerability in pmmp PocketMine-MP, published on 9 Sep 2026. Any signed-in user can exploit it over the network, with no action from the victim.
Official description
PocketMine-MP before 5.32.1 fails to validate uniqueness of pack UUIDs in ResourcePackClientResponsePacket STATUS_SEND_PACKS handling, allowing authenticated clients to trigger duplicate pack transmissions. Attackers can send multiple copies of valid pack UUIDs in a single packet to exhaust server memory and cause denial of service.
Weakness: CWE-20
Which versions are affected by CVE-2025-71417?
2 open source packages ship an affected version, including pocketmine/pocketmine-mp.
| Package | Affected | Fixed in |
|---|---|---|
pocketmine/pocketmine-mp Packagist | All versions | 5.32.1 |
pocketmine/pocketmine-mp Packagist | All versions | 5.32.1 |
How do I fix CVE-2025-71417?
Upgrade pocketmine/pocketmine-mp to 5.32.1 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-2025-71417 being exploited?
There is no known exploitation of CVE-2025-71417 in the wild and no public exploit code.
Sources
Also known as GHSA-fqqv-56h5-f57g, GHSA-j79r-9x96-ppx6.