GHSA-5jfw-35xp-5m42: Buffer length underflow in LoginPacket causing unchecked exceptions to be thrown

high Affects pocketmine/bedrock-protocol. Feed 2026.10.29.1, updated 2026-10-28; published ; advisory modified .

Buffer length underflow in LoginPacket causing unchecked exceptions to be thrown

Package
pocketmine/bedrock-protocol Composer
Affected versions
<8.0.2
Fixed in
8.0.2
Severity
high  CVSS 7.5
Exploitation
not on CISA KEV
Published
2022-04-05
Source
osv.dev

References

CWE-124
NVD recordpocketmine/bedrock-protocol advisories

Am I affected?

Find out in one command. phpwarden checks your composer.lock against this advisory and 20,000+ others, ranked by real-world exploitation (CISA KEV + EPSS). Free, offline, open data.

# one-time install
pip install phpwarden

# then
phpwarden deps composer.lock

Or keep it checked automatically: GitHub Action · pre-commit hook · GitLab CI · Laravel artisan command

Install docs   How findings are ranked