Description
Unspecified vulnerability in the PCNFSD dissector in Wireshark 0.8.20 through 1.0.7 allows remote attackers to cause a denial of service (crash) via crafted PCNFSD packets.
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 | 1.0.8-1 | — |
| Debian 13 | wireshark | 1.0.8-1 | — |
| Debian 12 | wireshark | 1.0.8-1 | — |
| Debian 5.0 | wireshark | 1.0.2-3+lenny7 | DSA-1942-1 |
| Debian 4.0 | wireshark | 0.99.4-5.etch.4 | DSA-1942-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | wireshark +1 | 1.0.8-1.el5_3.1 | RHSA-2009:1100 |
| RHEL 4 | wireshark +1 | 1.0.8-1.el4_8.1 | RHSA-2009:1100 |
| RHEL 3 | wireshark +1 | 1.0.8-EL3.1 | RHSA-2009:1100 |
Advisories 2
- RHSA-2009:1100 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1942-1 wireshark - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- http://wiki.rpath.com/wiki/Advisories:rPSA-2009-0095
- 37477 third-party-advisory
- wireshark-pcnfsd-dos(50686) vdb-entry
- FEDORA-2009-5382 vendor-advisory
- FEDORA-2009-5339 vendor-advisory
- MDVSA-2009:125 vendor-advisory
- 35464 third-party-advisory
- RHSA-2009:1100 vendor-advisory
- 1022274 vdb-entry
- 35081 vdb-entry
- oval:org.mitre.oval:def:9270 vdb-entry signature
- 35201 third-party-advisory
- ADV-2009-1408 vdb-entry
- http://www.wireshark.org/security/wnpa-sec-2009-03.html
- 54629 vdb-entry
- 35248 third-party-advisory
- DSA-1942 vendor-advisory
- 35224 third-party-advisory