HIGH 7.1 NVD
CVE-2022-51018
PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length. A player who obtains a writable boo
PocketMine-MP before 3.26.5 and 4.0.x before 4.0.5 does not limit book page text length, page count, or author/title length. A player who obtains a writable book can create oversized NBT ('book bombs'), causing excess bandwidth consumption and server crashes (exceeding the 1 MB chunk size limit when saving region-based worlds in PM3, or exceeding the 32 KiB TAG_String limit in PM4).
References
- https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-p62j-hrxm-xcxf
- https://www.vulncheck.com/advisories/pocketmine-mp-before-3.26.5-input-validation-via-book
This high severity vulnerability with a CVSS score of 7.1 was published on 2026-09-07 via NVD.
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