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.
| Product | Vendor Advisory | Solution File | Added | Published |
|---|---|---|---|---|
| Alpine Linux | — | Upgrade drupal7Upgrade wireshark | Jun 13, 2018 | May 22, 2018 |
| Arch Linux | — | Upgrade to the latest version of Arch Linux | Jul 11, 2025 | May 22, 2018 |
| Debian | — | Upgrade wireshark | Jun 5, 2018 | May 22, 2018 |
| Oracle Solaris | — | Upgrade diagnostic/wireshark/wireshark-common to version 2.6.1-0.175.3.33.0.5.0 on Solaris 11.3Upgrade diagnostic/wireshark to version 2.6.1-0.175.3.33.0.5.0 on Solaris 11.3Upgrade diagnostic/wireshark/tshark to version 2.6.1-0.175.3.33.0.5.0 on Solaris 11.3 | Jun 18, 2018 | May 22, 2018 |
| Redhat_linux | — | No solution exists | Jul 9, 2025 | May 22, 2018 |
| Suse | — | Upgrade spandsp-develUpgrade spandsp-docUpgrade libmaxminddb-develUpgrade libwireshark8Upgrade libwiretap10Upgrade libspandsp2Upgrade mmdblookupUpgrade libwsutil8Upgrade libmaxminddb0Upgrade wireshark-develUpgrade libwireshark13Upgrade libwiretap7Upgrade libwireshark9Upgrade wireshark-gtkUpgrade wireshark-ui-qtUpgrade libwsutil7Upgrade libwsutil11Upgrade wiresharkUpgrade libmaxminddb0-32bitUpgrade libspandsp2-32bitUpgrade libwiretap6Upgrade libwscodecs1 | May 26, 2018 | May 22, 2018 |
| Ubuntu | — | Upgrade wireshark | Nov 19, 2024 | May 22, 2018 |
| Wireshark | — | Upgrade to Wireshark version 2.6.1Upgrade to Wireshark version 2.2.15Upgrade to Wireshark version 2.4.7 | May 23, 2018 | May 22, 2018 |
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