Description
Off-by-one error in epan/dissectors/packet-gsm_abis_oml.c in the GSM A-bis OML dissector in Wireshark 1.12.x before 1.12.10 and 2.x before 2.0.2 allows remote attackers to cause a denial of service (buffer over-read and application crash) via a crafted packet that triggers a 0xff tag value.
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 | 2.0.2+ga16e22e-1 | — |
| Debian 13 | wireshark | 2.0.2+ga16e22e-1 | — |
| Debian 12 | wireshark | 2.0.2+ga16e22e-1 | — |
| Debian 8 | wireshark | 1.12.1+g01b65bf-4+deb8u5 | DSA-3516-1 |
| Debian 7 | wireshark | 1.8.2-5wheezy18 | DSA-3516-1 |
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 | — |
Advisories 1
- DSA-3516-1 wireshark - security update Debian Security (DSA / DLA) · Mar 9, 2026