Description
The (1) SMB and (2) SMB2 dissectors in Wireshark 0.9.0 through 1.2.4 allow remote attackers to cause a denial of service (crash) via a crafted packet that triggers a NULL pointer dereference, as demonstrated by fuzz-2009-12-07-11141.pcap.
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 | 1.2.5-1 | — |
| Debian 13 | wireshark | 1.2.5-1 | — |
| Debian 12 | wireshark | 1.2.5-1 | — |
| Debian 5.0 | wireshark | 1.0.2-3+lenny8 | DSA-1983-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | wireshark +1 | 1.0.11-1.el5_5.5 | RHSA-2010:0360 |
| RHEL 4 | wireshark +1 | 1.0.11-1.el4_8.5 | RHSA-2010:0360 |
| RHEL 3 | wireshark +1 | 1.0.11-EL3.6 | RHSA-2010:0360 |
Advisories 2
- RHSA-2010:0360 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-1983-1 wireshark - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- 61178 vdb-entry
- DSA-1983 vendor-advisory
- oval:org.mitre.oval:def:9564 vdb-entry signature
- 37916 third-party-advisory
- 37842 third-party-advisory
- ADV-2009-3596 vdb-entry
- FEDORA-2009-13592 vendor-advisory
- 37407 vdb-entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=4301
- 1023374 vdb-entry
- MDVSA-2010:031 vendor-advisory
- http://www.wireshark.org/security/wnpa-sec-2009-09.html