Description
The dissect_lbmr_pser function in epan/dissectors/packet-lbmr.c in the LBMR dissector in Wireshark 1.12.x before 1.12.5 does not properly track the current offset, which allows remote attackers to cause a denial of service (infinite loop) via a crafted packet.
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 | 1.12.5+g5819e5b-1 | — |
| Debian 13 | wireshark | 1.12.5+g5819e5b-1 | — |
| Debian 12 | wireshark | 1.12.5+g5819e5b-1 | — |
| Debian 8 | wireshark | 1.12.1+g01b65bf-4+deb8u1 | DSA-3277-1 |
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 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 2
- DSA-3277-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026
- openSUSE-SU-2024:10199-1 wireshark-2.2.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026