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No exploitation reportedFix available

CVE-2018-9258

No exploitation reported by the sources we read.

  • Published2018-04-04
  • WeaknessCWE-20

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 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.

Timeline

dates in UTC
  1. 2018-04-0407:29CVE publishedNVD

Versions per branch

NVD
Wireshark
BranchAffectedFixed in
2.4≥ 2.4.0, ≤ 2.4.5no fix published
Debian debian linux
BranchAffectedFixed in
7.0= 7.0no fix published

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:18.04:LTSall versions · fixed in 2.6.3-1~ubuntu18.04.1
  • wiresharkUbuntu:16.04:LTSall versions · fixed in 2.6.3-1~ubuntu16.04.1
  • wiresharkUbuntu:14.04:LTSall versions · fixed in 2.6.3-1~ubuntu14.04.1
  • wiresharkopenSUSE:Tumbleweedall versions · fixed in 3.4.8-1.2
  • wiresharkDebian:14all versions · fixed in 2.4.6-1
  • wiresharkDebian:13all versions · fixed in 2.4.6-1
  • wiresharkDebian:12all versions · fixed in 2.4.6-1
  • wiresharkDebian:8all versions · fixed in 1.12.1+g01b65bf-4+deb8u16

21 more package ranges on OSV.dev

Vendor advisories

  • CVE-2018-9258 Red Hat Product Security

    wireshark: TCP dissector could crash in epan/dissectors/packet-tcp.c

Full record on NVD

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:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H
Published
2018-04-04
Last Modified
2026-06-17
NVD status
Modified
GitHub Advisory
GHSA-jg7f-w5fw-2ppr

Frequently asked questions

What is CVE-2018-9258?

In Wireshark 2.4.0 to 2.4.5, the TCP dissector could crash. This was addressed in epan/dissectors/packet-tcp.c by preserving valid data sources.

Is CVE-2018-9258 actively exploited?

Active exploitation of CVE-2018-9258 has not been confirmed. Its EPSS score was 1.9% on 2026-11-08, the estimated probability of exploitation in the next 30 days.

What is the CVSS score for CVE-2018-9258?

CVE-2018-9258 has a CVSS v3 base score of 7.5 (HIGH severity), with vector string CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H.

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