Description
In Wireshark before 2.2.12, the MRDISC dissector misuses a NULL pointer and crashes. This was addressed in epan/dissectors/packet-mrdisc.c by validating an IPv4 address. This vulnerability is similar to CVE-2017-9343.
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 | 2.4.0-1 | — |
| Debian 13 | wireshark | 2.4.0-1 | — |
| Debian 12 | wireshark | 2.4.0-1 | — |
| Debian 8 | wireshark | 1.12.1+g01b65bf-4+deb8u16 | DLA-1634-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu 18.04 LTS | wireshark | 2.6.3-1~ubuntu18.04.1 | — |
| Ubuntu 16.04 LTS | wireshark | 2.6.3-1~ubuntu16.04.1 | — |
| Ubuntu 14.04 LTS | wireshark | 2.6.3-1~ubuntu14.04.1 | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 12 SP3 | wireshark | 2.2.13-48.21.1 | SUSE-SU-2018:0811-1 |
| SLES 12 SP2 | wireshark | 2.2.13-48.21.1 | SUSE-SU-2018:0811-1 |
| SLES 11 SP4 | wireshark | 2.2.13-40.22.1 | SUSE-SU-2018:0867-1 |
Show 3 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | wireshark | 2.2.13-48.21.1 | SUSE-SU-2018:0811-1 |
| SLES for SAP 12 SP2 | wireshark | 2.2.13-48.21.1 | SUSE-SU-2018:0811-1 |
| SLES for SAP 11 SP4 | wireshark | 2.2.13-40.22.1 | SUSE-SU-2018:0867-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.6 | wireshark | 2.2.12-r0 | — |
| Alpine v3.5 | wireshark | 2.2.12-r0 | — |
Advisories 3
- DLA-1634-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:0811-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0867-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://code.wireshark.org/review/#/c/25063/
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=80a695869c9aef2fb473d9361da068022be7cb50
- https://www.wireshark.org/security/wnpa-sec-2018-02.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14299
- [debian-lts-announce] 20190115 [SECURITY] [DLA 1634-1] wireshark security update mailing-list