Description
The CSN.1 dissector in Wireshark 1.8.x before 1.8.6 does not properly manage function pointers, which allows remote attackers to cause a denial of service (application crash) 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 | 1.8.2-5 | — |
| Debian 13 | wireshark | 1.8.2-5 | — |
| Debian 12 | wireshark | 1.8.2-5 | — |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 1
- openSUSE-SU-2024:10199-1 wireshark-2.2.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- oval:org.mitre.oval:def:16589 vdb-entry signature
- http://www.wireshark.org/security/wnpa-sec-2013-12.html
- openSUSE-SU-2013:0494 vendor-advisory
- 52471 third-party-advisory
- http://www.wireshark.org/docs/relnotes/wireshark-1.8.6.html
- openSUSE-SU-2013:0506 vendor-advisory
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=47888
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8383