Description
Ethereal 0.9.15 and earlier, and Tethereal, allows remote attackers to cause a denial of service (crash) via certain malformed (1) ISAKMP or (2) MEGACO 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 3.0 | ethereal | 0.9.4-1woody6 | DSA-407 |
Red Hat
Security tracker ↗| Release | Package | Fixed in | Advisory |
|---|---|---|---|
| RHEL 3 | ethereal +1 | 0.9.16-0.30E.1 | RHSA-2003:324 |
Advisories 2
- RHSA-2003:324 Red Hat Security Advisory: ethereal security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- DSA-407 ethereal - buffer overflows Debian Security (DSA / DLA) · Mar 9, 2026
References
- RHSA-2003:323 vendor-advisory
- CLA-2003:780 vendor-advisory
- http://www.ethereal.com/appnotes/enpa-sa-00011.html
- MDKSA-2003:114 vendor-advisory
- 8951 vdb-entry
- 10531 third-party-advisory
- DSA-407 vendor-advisory
- TLSA-2003-64 vendor-advisory
- oval:org.mitre.oval:def:11648 vdb-entry signature
- RHSA-2003:324 vendor-advisory