CVSS v3
7.5
HIGH
EPSS Score
4.9 %
exploit probability, as of 2026-09-25
CISA KEV
No
known exploited
Exploitation
—
SSVC status
Description
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the MIME Multipart dissector could crash. This was addressed in epan/dissectors/packet-multipart.c by correcting the deallocation of invalid MIME parts.
Technical details
- Published
- 2020-10-06
Frequently asked questions
What is CVE-2020-25863?
In Wireshark 3.2.0 to 3.2.6, 3.0.0 to 3.0.13, and 2.6.0 to 2.6.20, the MIME Multipart dissector could crash. This was addressed in epan/dissectors/packet-multipart.c by correcting the deallocation of invalid MIME parts.
Is CVE-2020-25863 actively exploited?
Active exploitation of CVE-2020-25863 has not been confirmed. Its EPSS score was 4.9% on 2026-09-25, the estimated probability of exploitation in the next 30 days.
What is the CVSS score for CVE-2020-25863?
CVE-2020-25863 has a CVSS v3 base score of 7.5 (HIGH severity).
Is CVE-2020-25863 affecting your environment?
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