Description
Thunderbird 0.6 through 0.9 and Mozilla 1.7 through 1.7.3 does not obey the network.cookie.disableCookieForMailNews preference, which could allow remote attackers to bypass the user's intended privacy and security policy by using cookies in e-mail messages.
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 4 | devhelp +1 | 0.9.2-2.4.3 | RHSA-2005:335 |
| RHEL 4 | evolution +1 | 2.0.2-14 | RHSA-2005:335 |
| RHEL 4 | thunderbird | 1.0-1.1.EL4 | RHSA-2005:094 |
Advisories 2
- RHSA-2005:335 Red Hat Security Advisory: mozilla security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
- RHSA-2005:094 Red Hat Security Advisory: thunderbird security update Red Hat Security Advisories (RHSA) · Jun 26, 2026
References
- RHSA-2005:323 vendor-advisory
- 12407 vdb-entry
- oval:org.mitre.oval:def:100047 vdb-entry signature
- RHSA-2005:335 vendor-advisory
- 19823 third-party-advisory
- http://www.mozilla.org/security/announce/mfsa2005-11.html
- https://bugzilla.mozilla.org/show_bug.cgi?id=268107
- RHSA-2005:094 vendor-advisory
- oval:org.mitre.oval:def:11407 vdb-entry signature
- SUSE-SA:2006:022 vendor-advisory
- mozilla-cookie-policy-bypass(19172) vdb-entry