Description
In Wireshark 3.2.0 to 3.2.2, 3.0.0 to 3.0.9, and 2.6.0 to 2.6.15, the BACapp dissector could crash. This was addressed in epan/dissectors/packet-bacapp.c by limiting the amount of recursion.
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 | 3.2.3-1 | — |
| Debian 13 | wireshark | 3.2.3-1 | — |
| Debian 12 | wireshark | 3.2.3-1 | — |
| Debian 9 | wireshark | 2.6.20-0+deb9u1 | DLA-2547-1 |
Ubuntu
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Ubuntu Pro 18.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 16.04 LTS | wireshark | No fix yet | — |
| Ubuntu Pro 14.04 LTS | wireshark | No fix yet | — |
SUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| SLES 15 SP2 | wireshark | 3.2.5-3.38.1 | SUSE-SU-2020:2144-1 |
| SLES 15 SP1 | wireshark | 3.2.5-3.38.1 | SUSE-SU-2020:2144-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 3.4.8-1.2 | openSUSE-SU-2024:11513-1 |
| openSUSE Leap 15.2 | wireshark | 3.2.5-lp152.2.3.1 | openSUSE-SU-2020:1199-1 |
| openSUSE Leap 15.1 | wireshark | 3.2.5-lp151.2.12.1 | openSUSE-SU-2020:1188-1 |
Alpine
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.24 | wireshark | 3.2.3-r0 | — |
| Alpine v3.23 | wireshark | 3.2.3-r0 | — |
| Alpine v3.22 | wireshark | 3.2.3-r0 | — |
| Alpine v3.21 | wireshark | 3.2.3-r0 | — |
| Alpine v3.20 | wireshark | 3.2.3-r0 | — |
Show 11 more (older releases, extended support, other products)Fewer releases
| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| Alpine v3.19 | wireshark | 3.2.3-r0 | — |
| Alpine v3.18 | wireshark | 3.2.3-r0 | — |
| Alpine v3.17 | wireshark | 3.2.3-r0 | — |
| Alpine v3.16 | wireshark | 3.2.3-r0 | — |
| Alpine v3.15 | wireshark | 3.2.3-r0 | — |
| Alpine v3.14 | wireshark | 3.2.3-r0 | — |
| Alpine v3.13 | wireshark | 3.2.3-r0 | — |
| Alpine v3.12 | wireshark | 3.2.3-r0 | — |
| Alpine v3.11 | wireshark | 3.0.10-r0 | — |
| Alpine v3.10 | wireshark | 3.0.10-r0 | — |
| Alpine v3.9 | wireshark | 2.6.16-r0 | — |
Advisories 5
- DLA-2547-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:11513-1 libwireshark14-3.4.8-1.2 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1188-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- SUSE-SU-2020:2144-1 Security update for wireshark SUSE / openSUSE Security Updates · Feb 4, 2026
- openSUSE-SU-2020:1199-1 Security update for wireshark SUSE / openSUSE Security Updates · May 7, 2025
References
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=16474
- https://www.wireshark.org/security/wnpa-sec-2020-07.html
- https://code.wireshark.org/review/gitweb?p=wireshark.git%3Ba=commit%3Bh=6f56fc9496db158218243ea87e3660c874a0bab0
- GLSA-202007-13 vendor-advisory
- openSUSE-SU-2020:1188 vendor-advisory
- openSUSE-SU-2020:1199 vendor-advisory
- [debian-lts-announce] 20210206 [SECURITY] [DLA 2547-1] wireshark security update mailing-list