https://cve.radiocsirt.org/rss/recent/all/10 Most recent entries from all 2026-10-12T22:21:48.641067+00:00 Vulnerability-Lookup csirt@opendfir.org python-feedgen Contains only the most 10 recent entries. https://cve.radiocsirt.org/vuln/cve-2021-4300 CVE-2021-4300 — ghostlander Halcyon Block Verification main.cpp AddToBlockIndex access control 2026-10-12T22:21:48.642379+00:00

Affected: ghostlander Halcyon

A vulnerability has been found in ghostlander Halcyon and classified as critical. Affected by this vulnerability is the function CBlock::AddToBlockIndex of the file src/main.cpp of the component Block Verification. The manipulation leads to improper access controls. The attack can be launched remotely. Upgrading to version 1.1.1.0-hal is able to address this issue. The identifier of the patch is 0675b25ae9cc10b5fdc8ea3a32c642979762d45e. It is recommended to upgrade the affected component. The identifier VDB-217417 was assigned to this vulnerability.