Updated seamonkey packages that fix several security bugs are now available
for Red Hat Enterprise Linux 2.1, 3, and 4.
This update has been rated as having critical security impact by the Red
Hat Security Response Team.
SeaMonkey is an open source Web browser, advanced email and newsgroup
client, IRC chat client, and HTML editor.
Two flaws were found in the way SeaMonkey processed certain regular
expressions. A malicious web page could crash the browser or possibly
execute arbitrary code as the user running SeaMonkey. (CVE-2006-4565,
web page could crash the browser or possibly execute arbitrary code as the
user running SeaMonkey. (CVE-2006-4253)
Daniel Bleichenbacher recently described an implementation error in RSA
signature verification. For RSA keys with exponent 3 it is possible for an
attacker to forge a signature that would be incorrectly verified by the NSS
library. SeaMonkey as shipped trusts several root Certificate Authorities
that use exponent 3. An attacker could have created a carefully crafted
SSL certificate which be incorrectly trusted when their site was visited by
a victim. (CVE-2006-4340)
SeaMonkey did not properly prevent a frame in one domain from injecting
content into a sub-frame that belongs to another domain, which facilitates
website spoofing and other attacks (CVE-2006-4568)
A flaw was found in SeaMonkey Messenger triggered when a HTML message
contained a remote image pointing to a XBL script. An attacker could have
certain actions were performed on the email by the recipient, even if
A number of flaws were found in SeaMonkey. A malicious web page could
crash the browser or possibly execute arbitrary code as the user running
Users of SeaMonkey or Mozilla are advised to upgrade to this update, which
contains SeaMonkey version 1.0.5 that corrects these issues.
For users of Red Hat Enterprise Linux 2.1 this SeaMonkey update obsoletes
Galeon. Galeon was a web browser based on the Mozilla Gecko layout engine.