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An integer overflow or wraparound vulnerability in the...

Critical severity Unreviewed Published Dec 9, 2021 to the GitHub Advisory Database • Updated Feb 1, 2023

Package

No package listedSuggest a package

Affected versions

Unknown

Patched versions

Unknown

Description

An integer overflow or wraparound vulnerability in the memory allocator of SSLVPN in FortiOS before 7.0.1 may allow an unauthenticated attacker to corrupt control data on the heap via specifically crafted requests to SSLVPN, resulting in potentially arbitrary code execution.

References

Published by the National Vulnerability Database Dec 8, 2021
Published to the GitHub Advisory Database Dec 9, 2021
Last updated Feb 1, 2023

Severity

Critical

EPSS score

0.305%
(70th percentile)

Weaknesses

CVE ID

CVE-2021-26109

GHSA ID

GHSA-9h5m-38gw-j896

Source code

No known source code

Dependabot alerts are not supported on this advisory because it does not have a package from a supported ecosystem with an affected and fixed version.

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