[SECURITY] Fedora 43 Update: nginx-1.30.1-1.fc43

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

[SECURITY] Fedora 44 Update: nginx-1.30.1-1.fc44

Nginx is a web server and a reverse proxy server for HTTP, SMTP, POP3 and IMAP protocols, with a strong focus on high concurrency, performance and low memory usage...

CLSA-2026-1778834899 postfix: Fix of CVE-2023-51764

CVE-2023-51764: fix SMTP smuggling backport of 2.11.11-smuggling-patch...

CVE-2026-38728

An issue in Nodemailer smtpserver before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream.write, lib/smtp-stream.js components...

CVE-2026-38728

The vulnerability CVE-2026-38728 affects Nodemailer smtp_server prior to version 3.18.3. The issue is triggered in the SMTPStream._write implementation (lib/smtp-stream.js), allowing a remote attacker to cause a denial of service. Impact is a DoS on the SMTP server component mentioned. The root c...

PT-2026-41303

An issue in Nodemailer smtp server before v.3.18.3 allows a remote attacker to cause a denial of service via the SMTPStream. write, lib/smtp-stream.js components...

net/mail: golang: net/mail: Denial of Service via pathological email address parsing

A flaw was found in the net/mail package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the consumePhrase function, it can lead to excessive resource consumption due to quadratic...

net/mail: golang: net/mail: Denial of Service via pathological email address parsing

A flaw was found in the net/mail package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the consumePhrase function, it can lead to excessive resource consumption due to quadratic...

Security update for go1.25

This update for go1.25 fixes the following issues Security issues: CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. CVE-2026-39817: cmd/go: "go tool pack" does not...

Security update for go1.26

This update for go1.26 fixes the following issues Security issues: CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. CVE-2026-39817: cmd/go: "go tool pack" does not...

SUSE-SU-2026:1861-1 Security update for go1.26

This update for go1.26 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: 'go tool pack' does...

Apache Camel: Camel-Mail: Camel-Mail: Altered application behavior via header injection

A flaw was found in the Camel-Mail component. An attacker can exploit this by sending a specially crafted email to a mailbox monitored by a Camel application. Due to a missing inbound filter, malicious headers within the email are not properly filtered, allowing them to alter the behavior of othe...

Why Malwarebytes blocks some Yahoo Mail redirects

Some Malwarebytes users have recently noticed frequent web protection alerts while reading email in Yahoo Mail’s web interface. These alerts are caused by background connections from the Yahoo Mail page to a set of third‑party domains that our products and other security tools currently classify ...

CLSA-2026-1778750122 Fix CVE(s): CVE-2026-27857

SECURITY UPDATE: imap-login excessive memory usage DoS ELSCVE-123445 - debian/patches/CVE-2026-27857.patch: limit IMAP parser open list count via new imapparserparams struct; cap pre-auth IMAPLOGINLISTCOUNTLIMIT to 1. Squashes upstream commits 825bc297, d0f67b52, af1fb4da, 3435e0d44. -...

EUVD-2026-29922

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-2026-41132

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...