Description
Wireshark (formerly Ethereal) 0.9.7 through 1.0.2 allows attackers to cause a denial of service (hang) via a crafted NCP packet that triggers an infinite loop.
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 | 1.0.3-1 | — |
| Debian 13 | wireshark | 1.0.3-1 | — |
| Debian 12 | wireshark | 1.0.3-1 | — |
| Debian 5.0 | wireshark | 1.0.2-3+lenny1 | DTSA-167-1 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 5 | wireshark +1 | 1.0.3-4.el5_2 | RHSA-2008:0890 |
| RHEL 4 | wireshark +1 | 1.0.3-3.el4_7 | RHSA-2008:0890 |
| RHEL 3 | wireshark +1 | 1.0.3-EL3.3 | RHSA-2008:0890 |
Advisories 2
- RHSA-2008:0890 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DTSA-167-1 wireshark - several vulnerabilities Debian Security (DSA / DLA) · Mar 9, 2026
References
- FEDORA-2008-7936 vendor-advisory
- RHSA-2008:0890 vendor-advisory
- 31864 third-party-advisory
- http://www.wireshark.org/security/wnpa-sec-2008-05.html
- oval:org.mitre.oval:def:11273 vdb-entry signature
- http://wiki.rpath.com/wiki/Advisories:rPSA-2008-0278
- 20080917 rPSA-2008-0278-1 tshark wireshark mailing-list
- http://support.avaya.com/elmodocs2/security/ASA-2008-392.htm
- 32091 third-party-advisory
- ADV-2008-2773 vdb-entry
- 1020819 vdb-entry
- http://bugs.wireshark.org/bugzilla/show_bug.cgi?id=2675
- FEDORA-2008-7894 vendor-advisory
- ADV-2008-2493 vdb-entry
- MDVSA-2008:199 vendor-advisory
- GLSA-200809-17 vendor-advisory
- wireshark-ncp-dos(45309) vdb-entry
- 31886 third-party-advisory
- 32028 third-party-advisory