CVE-2020-9428
CVSS v3
7.5
HIGH
EPSS Score
3.1 %
exploit probability, as of 2026-10-19
CISA KEV
No
known exploited
Exploitation
—
SSVC status
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Affected and fixed versions
Packages from OSV.dev and products from the vendors' CSAF advisories.
version not verifiedVersions not verified: read as OSV.dev and the vendors publish them, not checked against each vendor's release list.
Vendor advisories
wireshark: injecting a malformed packet may cause the EAP dissector to crash due to out-of-bounds read
wireshark as a component of Red Hat Enterprise Linux 5 · wireshark as a component of Red Hat Enterprise Linux 6 · wireshark-devel as a component of Red Hat Enterprise Linux 6
Description
In Wireshark 3.2.0 to 3.2.1, 3.0.0 to 3.0.8, and 2.6.0 to 2.6.14, the EAP dissector could crash. This was addressed in epan/dissectors/packet-eap.c by using more careful sscanf parsing.
Technical details
- Published
- 2020-02-27
Frequently asked questions
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