Description
In Wireshark 2.4.0 to 2.4.5 and 2.2.0 to 2.2.13, epan/dissectors/packet-smb2.c has a memory leak.
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 | 2.4.6-1 | — |
| Debian 13 | wireshark | 2.4.6-1 | — |
| Debian 12 | wireshark | 2.4.6-1 | — |
| Debian 8 | wireshark | 1.12.1+g01b65bf-4+deb8u16 | DLA-1634-1 |
| Debian 7 | wireshark | 1.12.1+g01b65bf-4+deb8u6~deb7u11 | DLA-1388-1 |
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 | 2.2.14-48.24.1 | SUSE-SU-2018:0981-1 |
| SLES 11 SP4 | wireshark | 2.2.14-40.25.1 | SUSE-SU-2018:0980-1 |
Show 2 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES for SAP 12 SP3 | wireshark | 2.2.14-48.24.1 | SUSE-SU-2018:0981-1 |
| SLES for SAP 11 SP4 | wireshark | 2.2.14-40.25.1 | SUSE-SU-2018:0980-1 |
Advisories 4
- DLA-1634-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- DLA-1388-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- SUSE-SU-2018:0981-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2018:0980-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=14483
- https://www.wireshark.org/security/wnpa-sec-2018-24.html
- [debian-lts-announce] 20190115 [SECURITY] [DLA 1634-1] wireshark security update mailing-list
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=c69d710d2bf39fe633800db65efddf55701131b6
- [debian-lts-announce] 20180528 [SECURITY] [DLA 1388-1] wireshark security update mailing-list