Description
plugins/ethercat/packet-ecatmb.c in the EtherCAT Mailbox dissector in Wireshark 1.4.x before 1.4.15, 1.6.x before 1.6.10, and 1.8.x before 1.8.2 does not properly handle certain integer fields, which allows remote attackers to cause a denial of service (application exit) via a malformed packet.
Fixed in Linux distributions
Distributions backport fixes, so the version that fixes this vulnerability differs per release — upgrade to at least the version shown. From the distributions' security trackers and advisories.
Debian
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Debian 14 | wireshark | 1.8.2-1 | — |
| Debian 13 | wireshark | 1.8.2-1 | — |
| Debian 12 | wireshark | 1.8.2-1 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 1
- openSUSE-SU-2024:10199-1 wireshark-2.2.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- 55035 vdb-entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=7562
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=43149
- 54425 third-party-advisory
- http://anonsvn.wireshark.org/viewvc/trunk/plugins/ethercat/packet-ecatmb.c?r1=43149&r2=43148&pathrev=43149
- https://blogs.oracle.com/sunsecurity/entry/multiple_vulnerabilities_in_wireshark3
- GLSA-201308-05 vendor-advisory
- oval:org.mitre.oval:def:15527 vdb-entry signature
- 51363 third-party-advisory
- http://www.wireshark.org/security/wnpa-sec-2012-22.html
- openSUSE-SU-2012:1035 vendor-advisory
- 50276 third-party-advisory
- openSUSE-SU-2012:1067 vendor-advisory