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No exploitation reportedFix available

CVE-2020-25863

No exploitation reported by the sources we read.

  • Published2020-10-06

Am I affected?

With a domain, we read the version its public headers and pages expose. A distribution build can carry the fix under an older number.

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.

Timeline

dates in UTC
  1. 2020-10-0615:15CVE publishedNVD

Versions per branch

NVD
Wireshark
BranchAffectedFixed in
2.6≥ 2.6.0, ≤ 2.6.20no fix published
3.0≥ 3.0.0, ≤ 3.0.13no fix published
3.2≥ 3.2.0, ≤ 3.2.6no fix published
Fedoraproject fedora
BranchAffectedFixed in
31.x= 31no fix published
32.x= 32no fix published
33.x= 33no fix published
Opensuse leap
BranchAffectedFixed in
15.1= 15.1no fix published
15.2= 15.2no fix published

2 more products in the sources.

as publishedRanges as NVD and OSV publish them; a distribution’s build can be fixed under an older number.

Distribution builds and vendor advisories

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.

Packages

  • wiresharkUbuntu:Pro:20.04:LTSall versions · fixed in 3.2.3-1ubuntu0.1~esm1
  • wiresharkUbuntu:Pro:18.04:LTSall versions · fixed in 2.6.10-1~ubuntu18.04.0+esm1
  • wiresharkUbuntu:Pro:16.04:LTSall versions · fixed in 2.6.10-1~ubuntu16.04.0+esm1
  • wiresharkUbuntu:Pro:14.04:LTSall versions · fixed in 2.6.10-1~ubuntu14.04.0~esm2
  • wiresharkSUSE:Linux Enterprise Module for Desktop Applications 15 SP2all versions · fixed in 3.2.7-3.41.1
  • wiresharkSUSE:Linux Enterprise Module for Desktop Applications 15 SP1all versions · fixed in 3.2.7-3.41.1
  • wiresharkSUSE:Linux Enterprise Module for Basesystem 15 SP2all versions · fixed in 3.2.7-3.41.1
  • wiresharkSUSE:Linux Enterprise Module for Basesystem 15 SP1all versions · fixed in 3.2.7-3.41.1

24 more package ranges on OSV.dev

Vendor advisories

  • CVE-2020-25863 Red Hat Product Security4 known affected

    wireshark: MIME multipart dissector crash (wnpa-sec-2020-11)

    wireshark as a component of Red Hat Enterprise Linux 8 · wireshark-cli as a component of Red Hat Enterprise Linux 8 · wireshark-devel as a component of Red Hat Enterprise Linux 8 · +1 more

Full record on NVD

Fix

  1. No fix planned, says the vendor Red Hat Product Security CVE-2020-25863 · 4 productsWill not fix

Advisories and patches

Detection

Nuclei template
none so far
ProjectDiscovery
Exploit-DB
no entry
Exploit-DB
Proof of concept
Metasploit modules
none listed
Metasploit Framework

Sources

Identifiers

Technical details

CVSS v3 Vector
CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2020-10-06
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-h5f3-p3hm-f3rj

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 2026-11-09, 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), with vector string CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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