In Wireshark 2.6.0, 2.4.0 to 2.4.6, and 2.2.0 to 2.2.14, the Q.931 dissector could crash. This was addressed in epan/dissectors/packet-q931.c by avoiding a use-after-free after a malformed packet prevented certain cleanup.
CVSS Details
- CVSS 3.1 Base Score: 7.5
- CVSS 3.0 Vector: (CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H)
Covered by Rapid7
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | alpine-linux-upgrade-wiresharkalpine-linux-upgrade-drupal7 | Jun 13, 2018 | May 22, 2018 | |
| Arch Linux | arch-linux-upgrade-latest | Jul 11, 2025 | May 22, 2018 | |
| Debian | debian-upgrade-wireshark | Jun 5, 2018 | May 22, 2018 | |
| Oracle Solaris | oracle-solaris-11-3-upgrade-diagnostic-wireshark-2-6-1-0-175-3-33-0-5-0oracle-solaris-11-3-upgrade-diagnostic-wireshark-tshark-2-6-1-0-175-3-33-0-5-0oracle-solaris-11-3-upgrade-diagnostic-wireshark-wireshark-common-2-6-1-0-175-3-33-0-5-0 | Jun 18, 2018 | May 22, 2018 | |
| Redhat_linux | no-fix-redhat-rpm-package | Jul 9, 2025 | May 22, 2018 | |
| Suse | — | suse-upgrade-libmaxminddb-develsuse-upgrade-libmaxminddb0suse-upgrade-libmaxminddb0-32bitsuse-upgrade-libspandsp2suse-upgrade-libspandsp2-32bitsuse-upgrade-libwireshark13suse-upgrade-libwireshark8suse-upgrade-libwireshark9suse-upgrade-libwiretap10suse-upgrade-libwiretap6suse-upgrade-libwiretap7suse-upgrade-libwscodecs1suse-upgrade-libwsutil11suse-upgrade-libwsutil7suse-upgrade-libwsutil8suse-upgrade-mmdblookupsuse-upgrade-spandsp-develsuse-upgrade-spandsp-docsuse-upgrade-wiresharksuse-upgrade-wireshark-develsuse-upgrade-wireshark-gtksuse-upgrade-wireshark-ui-qt | May 26, 2018 | May 22, 2018 |
| Ubuntu | ubuntu-upgrade-wireshark | Nov 19, 2024 | May 22, 2018 | |
| Wireshark | wireshark-upgrade-2_2_15wireshark-upgrade-2_4_7wireshark-upgrade-2_6_1 | May 23, 2018 | May 22, 2018 |
Prioritise with Active Threat Intelligence
With curated Threat Intelligence, you can see which vulnerabilities truly put you at risk, prioritize what matters most, and act before attackers do.
Explore Intelligence Hub