OpenSSL July 2015 Update
On July 9, 2015, OpenSSL issued a security update to correct an issue opened by its June update. Specifically, this issue relates to alternative chains certificate forgery (CVE-2015-1793), i.e. an...
View ArticleAuthentication Bypass in MailboxImportServlet vulnerability
Zimbra 8.8.15 patch 33 and Zimbra 9.0.0 patch 26 contain an important security update that fixes an authentication bypass in MailboxImportServlet (CVE-2022-37042 and CVE-2022-27925). If you are running...
View ArticleSecurity Update – make sure to install pax/spax
All Zimbra administrators should make sure the pax package is installed on their Zimbra server. Pax is needed by Amavis to extract the contents of compressed attachments for virus scanning. If the pax...
View ArticleZimbra not affected by critical OpenSSL issue
The OpenSSL project is releasing a critical fix for OpenSSL version 3.x. Zimbra is using OpenSSL version 1.1.1q which is an older still supported version of OpenSSL. The version in Zimbra is not...
View ArticleZimbra Security Update CVE-2023-41106
A one-click security vulnerability in all versions of Zimbra Collaboration Suite has been discovered that could allow an unauthenticated attacker to gain access to a Zimbra account. To fix this...
View ArticleZimbra and SMTP Smuggling attack on Postfix
Recently an SMTP Smuggling attack on Postfix was published, as mentioned by the Postfix project: Days before a 10+ day holiday break and associated production change freeze, SEC Consult has published...
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