CVE-2026-73570

CVE-2026-73570 PoC - SMTP Command Injection Tester A custom, low-level Python proof-of-concept PoC script for testing SMTP command injection vulnerabilities CVE-2026-73570. This tool sends a malformed RCPT TO address containing shell-style command substitution e.g., $command to determine if the...

zimbra-cve-2026-73570-ir

Zimbra CVE-2026-73570 Community IR Toolkit Detection-first, evidence-preserving incident-response helpers for Zimbra administrators investigating suspected exploitation of CVE-2026-73570. !CAUTION This is an independent community project, not a vendor compromise oracle. The checker is read-only a...

Rocky Linux 9 [CIQ] Security Update: aspnetcore-runtime-10.0 / aspnetcore-runtime-dbg-10.0 / etc Multiple Vulnerabilities (crlsa-2026_8471)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268471 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

Rocky Linux 9 [CIQ] Security Update: aspnetcore-runtime-8.0 / aspnetcore-runtime-dbg-8.0 / etc Multiple Vulnerabilities (crlsa-2026_8469)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268469 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

Rocky Linux 9 [CIQ] Security Update: aspnetcore-runtime-9.0 / aspnetcore-runtime-dbg-9.0 / etc Multiple Vulnerabilities (crlsa-2026_8474)

The Rocky Linux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268474 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

Rocky Linux 8 [CIQ] Security Update: aspnetcore-runtime-9.0 / aspnetcore-runtime-dbg-9.0 / etc Multiple Vulnerabilities (crlsa-2026_8475)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268475 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

Rocky Linux 8 [CIQ] Security Update: aspnetcore-runtime-8.0 / aspnetcore-runtime-dbg-8.0 / etc Multiple Vulnerabilities (crlsa-2026_8468)

The Rocky Linux 8 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268468 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotnet:...

Rocky Linux 10.1 [CIQ] Security Update: aspnetcore-runtime-8.0 / aspnetcore-runtime-dbg-8.0 / etc Multiple Vulnerabilities (crlsa-2026_8470)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268470 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotne...

Rocky Linux 10.1 [CIQ] Security Update: aspnetcore-runtime-10.0 / aspnetcore-runtime-dbg-10.0 / etc Multiple Vulnerabilities (crlsa-2026_8467)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268467 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotne...

Rocky Linux 10.1 [CIQ] Security Update: aspnetcore-runtime-9.0 / aspnetcore-runtime-dbg-9.0 / etc Multiple Vulnerabilities (crlsa-2026_8472)

The Rocky Linux 10.1 host has packages installed that are affected by multiple vulnerabilities as referenced in the CIQ crlsa-20268472 advisory. dotnet: .NET: Security Bypass and Denial of Service Vulnerability CVE-2026-26171 dotnet: .NET: Denial of Service via stack overflow CVE-2026-32203 dotne...

CVE-2026-82854

A flaw was found in nodemailer. When an application permits untrusted input to set the custom envelope size setting, carriage return and line feed CRLF characters are not properly sanitized before being placed into the Simple Mail Transfer Protocol SMTP command stream. A remote attacker could...

SUSE CVE-2026-93576

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP...

Linux Distros Unpatched Vulnerability : CVE-2026-93576

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name...

DEBIAN-CVE-2026-93576

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP...

UBUNTU-CVE-2026-93576

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP...

CVE-2026-93576

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP...

CVE-2026-93576 Io.netty/netty-codec-smtp: netty netty-codec-smtp — smtp command-name field is not crlf-validated (incomplete fix of cve-2025-59419)

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP...

CVE-2026-93576: Improper Neutralization of CRLF Sequences

A flaw was found in Netty netty-codec-smtp. The component does not properly validate Carriage Return CR and Line Feed LF characters in the SMTP command-name field. A remote attacker, if an application routes untrusted input into this field, can embed CR/LF characters to inject arbitrary SMTP...

PT-2026-95424

Name of the Vulnerable Software and Affected Versions netty-codec-smtp versions prior to 4.1.138-1.1 Description Netty netty-codec-smtp fails to properly validate Carriage Return CR and Line Feed LF characters within the SMTP command-name field. If an application passes untrusted input into this...

Mailpit: SMTP command parser buffers unbounded command lines before syntax rejection

Summary Mailpit's SMTP server reads each command line with an unbounded bufio.Reader.ReadString'\n' before parsing the command or enforcing any protocol length limit. A remote SMTP client can send an oversized single command line and force Mailpit to allocate attacker-controlled memory before the...