FortiOS
CVE-2024-36504: Out-of-bounds read in FortiOS
An out-of-bounds read vulnerability [CWE-125] in FortiOS SSLVPN web portal versions 7.4.0 through 7.4.4, versions 7.2.0 through 7.2.8, 7.0 all verisons, and 6.4 all versions may allow an authenticated attacker to perform a denial of service on the SSLVPN web portal via a specially crafted URL.
Published
Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.
Affected and fixed versions
| Product / branch | Fixed in |
|---|---|
| FortiOS 7.4.0 to 7.4.4 | 7.4.5 or later |
| FortiOS 7.2.0 to 7.2.8 | 7.2.9 or later |
| FortiOS 7.0.0 to 7.0.16 | Upgrade past 7.0.16; see the advisory |
| FortiOS 6.4.0 to 6.4.15 | Upgrade past 6.4.15; see the advisory |
Always confirm against the vendor advisory, which lists every fixed hotfix.
What it is
An out-of-bounds read vulnerability [CWE-125] in FortiOS SSLVPN web portal versions 7.4.0 through 7.4.4, versions 7.2.0 through 7.2.8, 7.0 all verisons, and 6.4 all versions may allow an authenticated attacker to perform a denial of service on the SSLVPN web portal via a specially crafted URL.
Sources
KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.