Fixes several security bugs (see http://www.mozilla.org/projects/security/known-vulnerabilities.html), in particular MFSA 2005-30 (http://www.mozilla.org/security/announce/mfsa2005-30.html). Upgrade to 1.0.2. Race condition in CRL checking code. Upgrade to 0.9.7e. Zlib 1.2.1 is vulnerable to a denial-of-service condition. See http://www.kb.cert.org/vuls/id/238678. Upgrade to 1.2.2.