Security Bulletin:Multiple vulnerabilities in netty-codec-smtp may affect IBM Infosphere Change Data Capture (CVE-2026-93563, CVE-2026-93576)

Summary Multiple security vulnerabilities have been identified in netty-codec-smtp, Netty/Codec/SMTP. netty-codec-smtp is used by IBM Infosphere Change Data Capture. IBM has addressed these vulnerabilities. Refer to the "Remediation/Fixes" section below for remediation details. Vulnerability...

RHLW-2026-FB860419F051AEDD Lightwell Security Advisory: netty-codec-smtp 4.1.100.Final-rhlw-00001

Red Hat Lightwell has released io.netty:netty-codec-smtp 4.1.100.Final-rhlw-00001 with a backported security fix. CVE-2025-59419: Netty netty-codec-smtp SMTP Command Injection Vulnerability Allowing Email Forgery This patched artifact is a drop-in replacement for io.netty:netty-codec-smtp...

ROOT-APP-MAVEN-CVE-2025-59419 CVE-2025-59419 in io.netty:netty-codec-smtp - Patched by Root

Root has patched CVE-2025-59419 in the io.netty:netty-codec-smtp package for Root:Maven. Multiple fixed versions available...

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...

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

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...

ai.spice:spiceai (0.6.0), ch.nolix:nolix (0.0.0) +940 more potentially affected by CVE-2026-93576 via io.netty:netty-codec-smtp (>=4.2.0.final, <=4.2.17.final)

io.netty:netty-codec-smtp MAVEN version =4.2.0.final, =4.2.17.final is affected by a known vulnerability. The following packages have a transitive dependency on io.netty:netty-codec-smtp and may be impacted: - ai.spice:spiceai 0.6.0 - ch.nolix:nolix 0.0.0 - ch.zzeekk.spark:spark-temporalquery2.13...

EUVD-2026-82976

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

CVE-2026-93576 affects Netty netty-codec-smtp , where the SMTP command-name field is not properly CRLF-validated . This is classified as an incomplete fix of the earlier CVE-2025-59419 , meaning the previous remediation did not fully address the validation gap. The Red Hat-assigned CVSS 3.1 score...

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

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-2026-93563

CVE-2026-93563 affects Netty's netty-codec-smtp component, specifically the SmtpResponseDecoder class. The root cause is unbounded multi-line response accumulation , which allows a remote attacker to trigger a memory-exhaustion denial of service over the network without authentication or user int...

ai.spice:spiceai (0.6.0), ch.nolix:nolix (0.0.0) +940 more potentially affected by CVE-2026-93563 via io.netty:netty-codec-smtp (>=4.2.0.final, <=4.2.17.final)

io.netty:netty-codec-smtp MAVEN version =4.2.0.final, =4.2.17.final is affected by a known vulnerability. The following packages have a transitive dependency on io.netty:netty-codec-smtp and may be impacted: - ai.spice:spiceai 0.6.0 - ch.nolix:nolix 0.0.0 - ch.zzeekk.spark:spark-temporalquery2.13...

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...