CVE-2020-9430

Severity: high (CVSS 7.5 v3.1)
Exploited in the wild: not listed in CISA KEV
EPSS: 2.8% probability of exploitation in the next 30 days
Public exploit or detection template: yes
Published: 2020-02-27 · updated 2026-06-17
Weakness: CWE-20

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 WiMax DLMAP dissector could crash. This was addressed in plugins/epan/wimax/msg_dlmap.c by validating a length field.

Affected products

Debian Linux: 9.0
Fedoraproject Fedora: 30, 31, 32
openSUSE Leap: 15.1
Wireshark Foundation Wireshark: from 2.6.0 through 2.6.14; from 3.0.0 through 3.0.8; from 3.2.0 through 3.2.1

References

http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16368
https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16383
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6b98dc63701b1da1cc7681cb383dabb0b7007d73
https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=93d6b03a67953b82880cdbdcf0d30e2a3246d790
https://lists.debian.org/debian-lts-announce/2021/02/msg00008.html
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/DZBICEY2HGSNQ3RPBLMDDYVAHGOGS4E2/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JDVMBCADP73TBISYCS6ARKOSNNJOGXXZ/
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/XN2GMGLT5XND7U34WX3O23WKUZ7JHMVN/
https://security.gentoo.org/glsa/202007-13
https://www.wireshark.org/security/wnpa-sec-2020-04.html
http://lists.opensuse.org/opensuse-security-announce/2020-03/msg00027.html

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