Description
The Lucent/Ascend file parser in Wireshark 1.2.x before 1.2.18, 1.4.x through 1.4.7, and 1.6.0 allows remote attackers to cause a denial of service (infinite loop) via malformed 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 | 1.6.1-1 | — |
| Debian 13 | wireshark | 1.6.1-1 | — |
| Debian 12 | wireshark | 1.6.1-1 | — |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 6 | wireshark +2 | 1.2.15-2.el6_2.1 | RHSA-2012:0509 |
openSUSE
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| openSUSE Tumbleweed | wireshark | 2.2.2-1.1 | openSUSE-SU-2024:10199-1 |
Advisories 2
- RHSA-2012:0509 Red Hat Security Advisory: wireshark security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- openSUSE-SU-2024:10199-1 wireshark-2.2.2-1.1 on GA media SUSE / openSUSE Security Updates · Feb 4, 2026
References
- http://www.wireshark.org/security/wnpa-sec-2011-10.html
- 1025738 vdb-entry
- 45574 third-party-advisory
- wireshark-lucent-dos(68335) vdb-entry
- 48947 third-party-advisory
- FEDORA-2011-9638 vendor-advisory
- 48506 vdb-entry
- http://www.wireshark.org/security/wnpa-sec-2011-11.html
- openSUSE-SU-2011:1263 vendor-advisory
- FEDORA-2011-9640 vendor-advisory
- http://www.wireshark.org/security/wnpa-sec-2011-09.html
- 45086 third-party-advisory
- oval:org.mitre.oval:def:14794 vdb-entry signature
- SUSE-SU-2011:1262 vendor-advisory
- MDVSA-2011:118 vendor-advisory