Moderate: Red Hat Security Advisory: python3 security update

An update for python3 is now available for Red Hat Enterprise Linux 7 Extended Lifecycle Support. Red Hat Product Security has rated this update as having a security impact of Moderate. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for...

cpython: email header injection due to unquoted newlines

A flaw was found in the email module in the Python standard library. When serializing an email message, the BytesGenerator class fails to properly quote newline characters for email headers. This issue is exploitable when the LiteralHeader class is used as it does not respect email folding rules,...

EUVD-2026-18152

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to inject HTML into notification emails about new CA certificates...

EUVD-2026-18165

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to forge a GINA-encrypted email...

EUVD-2026-18166

SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to control trusted headers...

EUVD-2026-18154

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to hide security tags from users by crafting a long subject...

EUVD-2026-18142

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users...

EUVD-2026-18146

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to upload PGP keys with UIDs that do not match their email address...

CVE-2026-29131

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users...

CVE-2026-29134

SEPPmail Secure Email Gateway before version 15.0.3 allows an external user to modify GINA webdomain metadata and bypass per-domain restrictions...

CVE-2026-29139

CVE-2026-29139 affects SEPPmail Secure Email Gateway prior to version 15.0.3. The root cause is misuse of GINA account initialization, which can be leveraged to reset a victim’s password and lead to account takeover. Documents indicate a network-exposed vulnerability with high/severe impact (an a...

CVE-2026-29144

SEPPmail Secure Email Gateway before version 15.0.3 allows an attacker to bypass subject sanitization and forge security tags using Unicode lookalike characters...

CVE-2026-29143

CVE-2026-29143 affects SEPPmail Secure Email Gateway prior to version 15.0.3. The issue is that the inner S/MIME-encrypted MIME entity is not properly authenticated, enabling an attacker to manipulate trusted headers. The root cause is insufficient verification of the inner message, with potentia...

CVE-2026-29143

SEPPmail Secure Email Gateway before version 15.0.3 does not properly authenticate the inner message of S/MIME-encrypted MIME entities, allowing an attacker to control trusted headers...

CVE-2026-29138

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

CVE-2026-29138

SEPPmail Secure Email Gateway is affected by CVE-2026-29138 in versions prior to 15.0.3. The issue allows an attacker who sends a specially crafted email address to claim another user’s PGP signature as their own. Affected product/component: SEPPmail Secure Email Gateway; vulnerability type: misu...

CVE-2026-29138 PGP Decryption Sender LDAP Injection

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

CVE-2026-29138 PGP Decryption Sender LDAP Injection

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to claim another user's PGP signature as their own...

CVE-2026-29131 PGP Decryption Recipient LDAP Injection

SEPPmail Secure Email Gateway before version 15.0.3 allows attackers with a specially crafted email address to read the contents of emails encrypted for other users...

CVE-2026-29131

SEPPmail Secure Email Gateway is affected up to version 15.0.3. A vulnerability in the PGP decryption recipient handling allows attackers who can craft a recipient email address to read emails encrypted for other users. The issue is identified as CVE-2026-29131. Connected sources corroborate the ...