CVE-2026-41132

CKAN is an open-source DMS data management system for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate e.g. self-signed, leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in...

CVE-2026-41132

CKAN is an open-source DMS data management system for powering data hubs and data portals. Prior to 2.10.10 and 2.11.5, the configured SMTP server may be spoofed with any certificate e.g. self-signed, leaving credentials and all emails sent open to MITM attacks. This vulnerability is fixed in...

CVE-2026-41132

CVE-2026-41132 affects CKAN prior to versions 2.10.10 and 2.11.5, where the SMTP connection lacks certificate validation. This allows a MITM attacker to spoof the SMTP server and potentially access credentials and email contents. The issue is mitigated by upgrading CKAN to 2.10.10 or 2.11.5 (or n...

EUVD-2026-29911

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

CLSA-2026-1778690918 exim: Fix of CVE-2026-40686

CVE-2026-40686: out-of-bounds read in the GETUTF8INC macro in src/expand.c when processing malformed UTF-8 in expansion operators with utf8 enabled, potentially disclosing heap data via SMTP rejection messages...

CVE-2026-4873

A vulnerability exists where a connection requiring TLS incorrectly reuses an existing unencrypted connection from the same connection pool. If an initial transfer is made in clear-text via IMAP, SMTP, or POP3, a subsequent request to that same host bypasses the TLS requirement and instead transm...

CVE-2026-4873

A vulnerability exists where a connection requiring TLS incorrectly reuses an existing unencrypted connection from the same connection pool. If an initial transfer is made in clear-text via IMAP, SMTP, or POP3, a subsequent request to that same host bypasses the TLS requirement and instead transm...

CVE-2026-4873

A logic error in cURL and libcurl allows the software to incorrectly reuse an existing unencrypted connection from a connection pool when a TLS-required connection is requested. If an initial transfer is conducted in clear-text (e.g., via IMAP , SMTP , or POP3 ), subsequent requests to the same h...

CVE-2026-4873 connection reuse ignores TLS requirement

A vulnerability exists where a connection requiring TLS incorrectly reuses an existing unencrypted connection from the same connection pool. If an initial transfer is made in clear-text via IMAP, SMTP, or POP3, a subsequent request to that same host bypasses the TLS requirement and instead transm...

CVE-2026-4873 connection reuse ignores TLS requirement

A vulnerability exists where a connection requiring TLS incorrectly reuses an existing unencrypted connection from the same connection pool. If an initial transfer is made in clear-text via IMAP, SMTP, or POP3, a subsequent request to that same host bypasses the TLS requirement and instead transm...

CVE-2026-4873

A vulnerability exists where a connection requiring TLS incorrectly reuses an existing unencrypted connection from the same connection pool. If an initial transfer is made in clear-text via IMAP, SMTP, or POP3, a subsequent request to that same host bypasses the TLS requirement and instead transm...

CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

CVE-2026-32661

CVE-2026-32661 affects GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud (SaaS). The issue is a stack-based buffer overflow in the pop3wallpasswd command when run with the grdnwww user privilege, allowing a remote attacker to execute arbitrary code via a crafted web-service request. CVS...

PT-2026-40577

Name of the Vulnerable Software and Affected Versions GUARDIANWALL MailSuite affected versions not specified GUARDIANWALL Mail Security Cloud SaaS version affected versions not specified Description A stack-based buffer overflow allows a remote attacker to execute arbitrary code by sending a...

CVE-2026-32661: Stack-based Buffer Overflow

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

The vulnerability of the ungetc() function in the BDAT/CHUNKING component of the email server Exim, which allows a hacker to execute arbitrary code.

The vulnerability of the ungetc function in the BDAT/CHUNKING component of the email server Exim relates to the use of memory after it is freed. Exploiting this vulnerability could allow a remote attacker to execute arbitrary code...

VulnCheck KEV: CVE-2026-32661

Stack-based buffer overflow vulnerability exists in GUARDIANWALL MailSuite and GUARDIANWALL Mail Security Cloud SaaS version. If a remote attacker sends a specially crafted request to the product's web service, arbitrary code may be executed when the product is configured to run pop3wallpasswd wi...

Canon GUARDIANWALL MailSuite和Canon GUARDIANWALL Mail Security Cloud 安全漏洞

Canon GUARDIANWALL MailSuite and Canon GUARDIANWALL Mail Security Cloud are products of Canon, a Japanese company. Canon GUARDIANWALL MailSuite is an enterprise-level email security and filtering system. Canon GUARDIANWALL Mail Security Cloud is an enterprise-level cloud-based email security...