Vulnerability record · CVE-2023-54396 · published 9 September 2026

CVE-2023-54396: PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization.

PocketMine-MP versions before 4.8.1 fail to validate dye color IDs in banner NBT data during deserialization. Attackers can provide invalid color values in inventory transactions or via commands to trigger undefined offset errors and crash the server.

7.1 CVSS 4.0 High EPSS 0.38% · top 71.1% CWE-129 · CWE-129 Deferred

7.1CVSS 4.0 base score

0.38%EPSS exploitation probability, 30 days

NoNot in CISA KEV

0Affected product versions listed by NVD

3References

9 Sep 2026Last modified by NVD

Description

CVSS:4.0/AV:N/AC:L/AT:N/PR:L/UI:N/VC:N/VI:N/VA:H/SC:N/SI:N/SA:N/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:

References

Link	Tags
https://github.com/pmmp/PocketMine-MP/commit/08b9495bce2d65a6d1d3eeb76e484499a00765eb
https://github.com/pmmp/PocketMine-MP/security/advisories/GHSA-wqqv-jcfr-9f5g
https://www.vulncheck.com/advisories/pocketmine-mp-before-4.8.1-server-crash-via-banner-nbt

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Related vulnerabilities

Same products first, then exploited flaws of the same weakness class.

8.8CVE-2022-48503Apple WebKit bounds check flaw allows code execution via web contentApple fixed an insufficient bounds-checking issue in WebKit across Safari, iOS, iPadOS, macOS, tvOS and watchOS. Processing malicious web content can…KEVEPSS 3.2%analysed14 Aug 2023

Source: NIST National Vulnerability Database (record CVE-2023-54396), CISA KEV, FIRST EPSS (scores of 2026-09-26). This page is refreshed as NVD updates the record.