FortiOS

CVE-2024-46670: Out-of-bounds Read in FortiOS, FortiProxy and others

An Out-of-bounds Read vulnerability [CWE-125] in FortiOS version 7.6.0, version 7.4.4 and below, version 7.2.9 and below and FortiSASE FortiOS tenant version 24.3.b IPsec IKE service may allow an unauthenticated remote attacker to trigger memory consumption leading to Denial of Service via crafted requests.

Published

ExploitedNot in CISA KEV
Ransomware useNot reportedPer CISA
SeverityHIGHCVSS 3.1 7.5
EPSS0.63%Chance of exploitation in 30 days
Public exploitNot tracked
FixAvailable

Automatic summary from the vendor's CVE record. We haven't written a full analysis of this vulnerability yet.

Affected and fixed versions

Product / branchFixed in
FortiOS 7.67.6.1 or later
FortiOS 7.4.0 to 7.4.47.4.5 or later
FortiOS 7.2.0 to 7.2.97.2.10 or later
FortiProxy 7.4.0 to 7.4.5Upgrade past 7.4.5; see the advisory
FortiProxy 7.2.0 to 7.2.11Upgrade past 7.2.11; see the advisory
FortiProxy 7.0.0 to 7.0.18Upgrade past 7.0.18; see the advisory
FortiProxy 2.0.0 to 2.0.14Upgrade past 2.0.14; see the advisory
FortiPAM 1.4.0 to 1.4.1Upgrade past 1.4.1; see the advisory
FortiPAM 1.3See the advisory
FortiPAM 1.2See the advisory
FortiPAM 1.1.0 to 1.1.2Upgrade past 1.1.2; see the advisory
FortiPAM 1.0.0 to 1.0.3Upgrade past 1.0.3; 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 version 7.6.0, version 7.4.4 and below, version 7.2.9 and below and FortiSASE FortiOS tenant version 24.3.b IPsec IKE service may allow an unauthenticated remote attacker to trigger memory consumption leading to Denial of Service via crafted requests.

Sources

KEV status, EPSS score and vendor data refreshed automatically, last on 10 Oct 2026.

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