Description
The FCSP dissector in Wireshark 1.6.x before 1.6.14 and 1.8.x before 1.8.6 allows remote attackers to cause a denial of service (infinite loop) via a malformed 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 | 1.8.6-1 | — |
| Debian 13 | wireshark | 1.8.6-1 | — |
| Debian 12 | wireshark | 1.8.6-1 | — |
| Debian 7 | wireshark | 1.12.1+g01b65bf-4+deb8u6~deb7u1 | DLA-497-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 2
- DLA-497-1 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
References
- http://www.wireshark.org/docs/relnotes/wireshark-1.6.14.html
- openSUSE-SU-2013:0494 vendor-advisory
- 52471 third-party-advisory
- oval:org.mitre.oval:def:16529 vdb-entry signature
- http://www.wireshark.org/docs/relnotes/wireshark-1.8.6.html
- openSUSE-SU-2013:0506 vendor-advisory
- http://www.wireshark.org/security/wnpa-sec-2013-20.html
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8359