![cisco url filter database cisco url filter database](https://www.cisco.com/c/dam/en/us/support/docs/security/pix-500-series-security-appliances/97277-ASDM-14.gif)
When an issue demands resolution earlier than a scheduled maintenance update, Cisco may release a hotfix for it, on case-by-case basis.
#CISCO URL FILTER DATABASE SOFTWARE#
Software patches and hotfixes: Cisco releases software patches periodically to address any security vulnerabilities and to fix any defects with the Firepower System.
![cisco url filter database cisco url filter database](https://www.cisco.com/c/dam/en/us/support/docs/routers/3800-series-integrated-services-routers/110318-ciscoiosurlfiltering-1.gif)
The core software image for the Firepower System depends on the hardware platform you are using.