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HIGH

CVE-2020-9431

CVSS v3

7.5

HIGH

EPSS Score

2.7 %

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

  • CVE-2020-9431 Red Hat Product Security9 known affected

    wireshark: LTE RRC dissector memory leak could result in excessive memory resource consumption

    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

Full record on NVD

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 LTE RRC dissector could leak memory. This was addressed in epan/dissectors/packet-lte-rrc.c by adjusting certain append operations.

Technical details

Published
2020-02-27

Frequently asked questions

What is CVE-2020-9431?

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 LTE RRC dissector could leak memory. This was addressed in epan/dissectors/packet-lte-rrc.c by adjusting certain append operations.

Is CVE-2020-9431 actively exploited?

Active exploitation of CVE-2020-9431 has not been confirmed. Its EPSS score was 2.7% on 2026-10-19, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2020-9431?

CVE-2020-9431 has a CVSS v3 base score of 7.5 (HIGH severity).

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