Description
The HTTP dissector in Ethereal 0.10.1 through 0.10.7 allows remote attackers to cause a denial of service (application crash) via a certain packet that causes the dissector to access previously-freed memory.
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.
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | ethereal +1 | 0.10.9-1.EL3.1 | RHSA-2005:011 |
Advisories 1
- RHSA-2005:011 Red Hat Security Advisory: ethereal security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- http://www.ethereal.com/appnotes/enpa-sa-00016.html
- ethereal-http-dissector-dos(18487) vdb-entry
- CLA-2005:916 vendor-advisory
- GLSA-200412-15 vendor-advisory
- 13468 third-party-advisory
- MDKSA-2004:152 vendor-advisory
- RHSA-2005:037 vendor-advisory
- 11943 vdb-entry
- oval:org.mitre.oval:def:9473 vdb-entry signature
- FLSA-2006:152922 vendor-advisory
- P-061 third-party-advisory government-resource