CVE-2022-51017
PocketMine-MP skin data overflow permits remote server crash (DoS).
Is CVE-2022-51017 being exploited?
Not confirmed. CVE-2022-51017 does not appear in CISA's Known Exploited Vulnerabilities catalog, which records only exploitation that has been observed and reported publicly. That is evidence of absence of a report, not evidence the flaw is unattacked. EPSS currently estimates a 0.47% probability of exploitation in the next 30 days.
How severe is CVE-2022-51017?
CVE-2022-51017 is rated High with a CVSS score of 8.7. Severity describes how bad exploitation would be, not how likely it is: pair it with exploitation evidence before deciding what to patch first.
Is there a patch for CVE-2022-51017?
Yes. A fix has been recorded for CVE-2022-51017. The vendor advisory is the authority on the exact fixed version — apply it from there rather than from a summary.
What does CVE-2022-51017 affect?
CVE-2022-51017 affects PocketMine-MP < 3.26.5, PocketMine-MP < 4.0.5. Confirm the exact affected versions against the vendor advisory before deciding you are exposed.
What should I do about CVE-2022-51017?
Update PocketMine-MP to 3.26.5 or 4.0.5+ immediately.
Exploitation status reflects CISA's KEV catalog as we last synced it. Check the catalog directly.
Remote unauthenticated attacker can send oversized skin fields (skinID/geometryName) to trigger NBT serialization exceptions and crash servers (denial of service).
Immediate action required
- affected>= 3.0.0 and < 3.26.5
- affected>= 4.0.0 and < 4.0.5
As published in the CVE Program record. A version outside these ranges is not a statement that it is unaffected — vendors sometimes understate a range, and distribution-backported builds carry upstream numbers that do not reflect what was patched into them.