102 matches found
Astra Linux – Vulnerability in Thunderbird
During the plaintext phase of the STARTTLS connection setup, protocol commands could be injected and evaluated within the encrypted session. This vulnerability affects Thunderbird 78.7...
Astra Linux – Vulnerability in exim4
The STARTTLS feature in Exim up to 4.94.2 allows for response injection buffering during MTA SMTP sending...
Astra Linux – Vulnerability in dovecot
The submission service in Dovecot before 2.3.15 allowed for STARTTLS command injection in the lib-smtp library. Sensitive information could be redirected to an address controlled by the attacker...
OESA-2026-2985 curl security update
cURL is a computer software project providing a library libcurl and command-line tool curl for transferring data using various protocols. Security Fixes: A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though th...
CVE-2026-47840
A network attacker positioned between UAA and its LDAP directory can impersonate the directory using any certificate from any trusted CA, then harvest the LDAP bind password and every end-user password sent during simple-bind authentication, and return forged group memberships that grant themselv...
EUVD-2026-42518
A network attacker positioned between UAA and its LDAP directory can impersonate the directory using any certificate from any trusted CA, then harvest the LDAP bind password and every end-user password sent during simple-bind authentication, and return forged group memberships that grant themselv...
CVE-2026-47840
A network attacker positioned between UAA and its LDAP directory can impersonate the directory using any certificate from any trusted CA, then harvest the LDAP bind password and every end-user password sent during simple-bind authentication, and return forged group memberships that grant themselv...
PT-2026-56709
Name of the Vulnerable Software and Affected Versions UAA versions prior to v78.13.0 Cf-deployment versions prior to v56.2.0 Description A network attacker positioned between UAA and its LDAP directory can impersonate the directory using any certificate from any trusted CA. This allows the attack...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
net-imap: ruby: Net::IMAP: Information disclosure via man-in-the-middle attack bypassing TLS
A flaw was found in the Ruby net-imap library. When upgrading a cleartext IMAP connection to TLS using the Net::IMAPstarttls method, the library improperly handles certain responses received during STARTTLS negotiation. A man-in-the-middle MITM attacker can inject a predicted tagged OK response...
UBUNTU-CVE-2026-8286
A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not...
CURL-CVE-2026-8286 wrong STARTTLS connection reuse
A vulnerability exists where a new transfer that uses STARTTLS to upgrade the connection might reuse an existing live connection even though the TLS configuration mismatches so it should not...
USN-8431-1: Ruby vulnerabilities
It was discovered that Ruby's Net::IMAP library did not properly verify that Transport Layer Security TLS encryption was started after issuing a STARTTLS command. A remote attacker could possibly use this issue to perform a machine-in-the-middle attack and silently bypass TLS encryption...
USN-8431-1 ruby2.3, ruby2.5 vulnerabilities
It was discovered that Ruby's Net::IMAP library did not properly verify that Transport Layer Security TLS encryption was started after issuing a STARTTLS command. A remote attacker could possibly use this issue to perform a machine-in-the-middle attack and silently bypass TLS encryption...
Fedora 43 : python-django5 (2026-f140cb16b6)
The remote Fedora 43 host has a package installed that is affected by multiple vulnerabilities as referenced in the FEDORA-2026-f140cb16b6 advisory. Fixes five low-severity CVEs - CVE-2026-6873: Signed cookie salt namespace collision - CVE-2026-7666: Potential unencrypted email transmission via...
SUSE SLES15 Security Update : python-Django (SUSE-SU-2026:2318-1)
The remote SUSE Linux SLES15 host has a package installed that is affected by multiple vulnerabilities as referenced in the SUSE-SU-2026:2318-1 advisory. This update for python-Django fixes the following issues - CVE-2026-6873: signed cookie salt namespace collision in...
CVE-2020-37248
A flaw was found in OfflineIMAP. This vulnerability allows a remote attacker to perform a man-in-the-middle attack by exploiting the client's trust in the server's STARTTLS capability before authentication. This can lead to the attacker taking over the connection and extracting sensitive account...
UBUNTU-CVE-2020-37248
OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext...
CVE-2020-37248
OfflineIMAP prior to version 8.0.3 is affected by a STARTTLS trust issue: the client trusts the server’s STARTTLS capability before authentication, enabling man-in-the-middle attacks that can exfiltrate credentials in cleartext. This vulnerability can enable an attacker to take over the connectio...
PT-2026-47305
OfflineIMAP before 8.0.3 trusts the server with their STARTTLS capability prior to authentication, which allows STRIPTLS/man-in-the-middle attacks, taking over the connection and extracting account credentials in cleartext...