NGINX: NGINX: Denial of Service via undisclosed requests when ngx_mail_auth_http_module is enabled

A flaw was found in NGINX, specifically within the ngxmailauthhttpmodule. When this module is enabled, and CRAM-MD5 or APOP authentication is active with an authentication server that permits retries, undisclosed requests can cause NGINX worker processes to terminate. This can lead to a Denial of...

USN-8176-1 dotnet8, dotnet9, dotnet10 vulnerabilities

Ludvig Pedersen discovered that the System.Security.Cryptography.Xml library in .NET incorrectly handled certain XML inputs. An attacker could possibly use this issue to consume excessive resources, resulting in a denial of service. CVE-2026-33116, CVE-2026-26171 Ludvig Pedersen and Kevin Jones...

thunderbird: Out of bounds read in IMAP parsing

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were...

firefox: thunderbird: Incorrect boundary conditions in the Audio/Video: GMP component

A flaw was found in Firefox and Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: Incorrect boundary conditions in the Audio/Video: GMP component...

thunderbird: Out of bounds read in IMAP parsing

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were...

thunderbird: Out of bounds read in IMAP parsing

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were...

thunderbird: Out of bounds read in IMAP parsing

A flaw was found in Thunderbird. The Mozilla Foundation's Security Advisory describes the following issue: A malicious mail server could send malformed strings with negative lengths, causing the parser to read memory outside the buffer. If a mail server or connection to a mail server were...

CVE-2026-39971

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...

Maddy Mail Server 安全漏洞

Maddy Mail Server is a modular and integrated email server developed by Russian developer Max Mazurov. Versions of Maddy Mail Server prior to 0.9.3 contained security vulnerabilities. These vulnerabilities stemmed from the auth.ldap module, where the username provided by the user was inserted int...

CVE-2026-39971 Serendipity: Host Header Injection leads to SMTP header injection via unvalidated HTTP_HOST

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...

CVE-2026-39971 Serendipity: Host Header Injection leads to SMTP header injection via unvalidated HTTP_HOST

Serendipity is a PHP-powered weblog engine. In versions 2.6-beta2 and below, the email sending functionality in include/functions.inc.php inserts $SERVER'HTTPHOST' directly into the Message-ID SMTP header without validation, and the existing sanitization function serendipityisResponseClean is not...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...

Microsoft Security Advisory CVE-2026-32178 – .NET Spoofing Vulnerability

Executive Summary: Microsoft is releasing this security advisory to provide information about a vulnerability in .NET 8.0, .NET 9.0, and .NET 10.0. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A vulnerability exists in...

HTTP Response Splitting

Overview Affected versions of this package are vulnerable to HTTP Response Splitting via the MailAddressParser.TryParseAddress function due to improper neutralisation of CRLF sequences. An attacker can impersonate another user or entity by sending specially crafted data over the network...