Description
The pcap_process_pseudo_header function in wiretap/pcap-common.c in Wireshark 1.4.x before 1.4.12 and 1.6.x before 1.6.6 allows remote attackers to cause a denial of service (application crash) via a WTAP_ENCAP_ERF file containing an Extension or Multi-Channel header with an invalid pseudoheader size, related to the pcap and pcap-ng file parsers.
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 | 1.6.6-1 | — |
| Debian 13 | wireshark | 1.6.6-1 | — |
| Debian 12 | wireshark | 1.6.6-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | wireshark +2 | 1.2.15-2.el6_2.1 | RHSA-2012:0509 |
Advisories 1
- RHSA-2012:0509 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- 52737 vdb-entry
- 48986 third-party-advisory
- oval:org.mitre.oval:def:15548 vdb-entry signature
- [oss-security] 20120328 Re: CVE Request: Multiple wireshark security flaws resolved in 1.4.12 and 1.6.6 mailing-list
- 48947 third-party-advisory
- openSUSE-SU-2012:0558 vendor-advisory
- FEDORA-2012-5243 vendor-advisory
- http://www.wireshark.org/security/wnpa-sec-2012-06.html
- http://www.wireshark.org/news/20120327.html
- 48548 third-party-advisory
- wireshark-pcap-dos(74364) vdb-entry
- FEDORA-2012-5256 vendor-advisory
- 1026874 vdb-entry
- https://bugs.wireshark.org/bugzilla/show_bug.cgi?id=6804
- http://anonsvn.wireshark.org/viewvc?view=revision&revision=41008