CVE-2018-9256

HIGH 7.5CVE-2018-9256 · Published 04/04/2018 · updated 17/06/2026

In short

CVE-2018-9256 is a HIGH (CVSS 7.5) vulnerability affecting wireshark (wireshark).
Chance of exploitation in the next 30 days (EPSS): 2.3%, higher than 83.0% of all vulnerabilities.
No patched version is listed yet: follow the vendor's advisory in References.

Package	Affected versions	Patched versions
wireshark wireshark	`≥ 2.2.0, ≤ 2.2.13≥ 2.4.0, ≤ 2.4.5`	No fix yet

Description

In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, the LWAPP dissector could crash. This was addressed in epan/dissectors/packet-lwapp.c by limiting the encapsulation levels to restrict the recursion depth.

References

bugs.wireshark.org/bugzilla/show_bug.cgi · Exploit
code.wireshark.org/review/gitweb
lists.debian.org/debian-lts-announce/2019/01/msg00010.html · Mailing List
wireshark.org/security/wnpa-sec-2018-20.html · Vendor Advisory

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Package

Affected versions

Patched versions

wireshark

≥ 2.2.0, ≤ 2.2.13≥ 2.4.0, ≤ 2.4.5

No fix yet

More vulnerabilities in wireshark

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