Description
Integer signedness error in the dissect_mount_dirpath_call function in epan/dissectors/packet-mount.c in the Mount dissector in Wireshark 1.6.x before 1.6.14 and 1.8.x before 1.8.6, when nfs_file_name_snooping is enabled, allows remote attackers to cause a denial of service (application crash) via a negative length 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 | 1.8.2-5 | — |
| Debian 13 | wireshark | 1.8.2-5 | — |
| Debian 12 | wireshark | 1.8.2-5 | — |
| Debian 6.0 | wireshark | 1.2.11-6+squeeze10 | DSA-2644-1 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 2
- DSA-2644-1 wireshark - several 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
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=8335
- http://www.wireshark.org/docs/relnotes/wireshark-1.6.14.html
- openSUSE-SU-2013:0494 vendor-advisory
- oval:org.mitre.oval:def:16420 vdb-entry signature
- 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=47672
- http://www.wireshark.org/security/wnpa-sec-2013-16.html
- DSA-2644 vendor-advisory
- http://anonsvn.wireshark.org/viewvc/trunk/epan/dissectors/packet-mount.c?r1=47672&r2=47671&pathrev=47672