CVE-2026-90776 Nodemailer 9.1.0 through 10.0.4 Denial of Service via Quadratic Address Parsing

Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js...

CVE-2026-90776 Nodemailer 9.1.0 through 10.0.4 Denial of Service via Quadratic Address Parsing

Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js...

CVE-2026-90776 Nodemailer 9.1.0 through 10.0.4 Denial of Service via Quadratic Address Parsing

Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js...

Linux Distros Unpatched Vulnerability : CVE-2026-90776

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC...

CVE-2026-90776: Inefficient Algorithmic Complexity

Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser component when parsing email addresses with RFC 5322 comments. Attackers can craft malicious email headers with comment-separated atoms to consume excessive CPU and block the Node.js...

AZL-100097 CVE-2026-89537 affecting package kernel 6.6.157.1-1

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7, then passes ptr + GSSKRB5TOKHDRLEN and cksumlen to gsskrb5micbuildsg...

EUVD-2026-76448

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7, then passes ptr + GSSKRB5TOKHDRLEN and cksumlen to gsskrb5micbuildsg...

CVE-2026-89537 SUNRPC: Reject short RFC 4121 MIC tokens in gss_krb5_verify_mic_v2

In the Linux kernel, the following vulnerability has been resolved: SUNRPC: Reject short RFC 4121 MIC tokens in gsskrb5verifymicv2 gsskrb5verifymicv2 reads the token ID at ptr0..1, the flags byte at ptr2, and padding at ptr3..7, then passes ptr + GSSKRB5TOKHDRLEN and cksumlen to gsskrb5micbuildsg...

SUSE CVE-2026-88038

cookies is a Node.js library for reading and writing HTTP cookies, used by Koa via ctx.cookies. In versions before 0.9.2 the library validates the cookie name and value against character sets that reject the semicolon separator, but the domain and path options are checked only against a permissiv...

BIT-PYTHON-MIN-2026-17084 stringprep.map_table_b2() deviates from RFC 3454 Table B.2

The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0. This behavior would cause mismatches when processing domain names using IDNA 2003 the "idna" codec and the intable...

BIT-LIBPYTHON-2026-17084 stringprep.map_table_b2() deviates from RFC 3454 Table B.2

The "stringprep" module didn't process characters from RFC 3454 tables B.2 or B.3 correctly: the latest Unicode codepoint attributes were used instead of the specified Unicode 3.2.0. This behavior would cause mismatches when processing domain names using IDNA 2003 the "idna" codec and the intable...

Linux Distros Unpatched Vulnerability : CVE-2026-88038

The Linux/Unix host has one or more packages installed that are impacted by a vulnerability without a vendor supplied patch available. - cookies is a Node.js library for reading and writing HTTP cookies, used by Koa via ctx.cookies. In versions before 0.9.2 the library validates the cookie name a...

PT-2026-90847

Name of the Vulnerable Software and Affected Versions Nodemailer versions 9.1.0 through 10.0.4 Description The addressparser component contains an algorithmic complexity issue when parsing email addresses that include RFC 5322 comments. A remote attacker can craft malicious email headers using...

CVE-2026-88038

cookies is a Node.js library for reading and writing HTTP cookies, used by Koa via ctx.cookies. In versions before 0.9.2 the library validates the cookie name and value against character sets that reject the semicolon separator, but the domain and path options are checked only against a permissiv...

Nodemailer: Recipient-domain validation bypass via RFC 5322 comment mis-parsing leads to email delivery to an attacker-controlled domain

Summary Nodemailer's email-address parser treats an RFC 5322 comment ... inside the domain as a point to concatenate the surrounding text, rather than as folding whitespace CFWS that terminates the domain. Consequently a recipient address such as [email protected] is parsed and delivere...

Interpretation Conflict

Overview nodemailer is an Easy as cake e-mail sending from your Node.js applications Affected versions of this package are vulnerable to Interpretation Conflict via RFC 5322 comment mis-parsing in lib/addressparser/index.js. An attacker can make mail be delivered to an attacker-controlled domain ...

GHSA-CC9R-2J5M-2M83 Nodemailer: Recipient-domain validation bypass via RFC 5322 comment mis-parsing leads to email delivery to an attacker-controlled domain

Summary Nodemailer's email-address parser treats an RFC 5322 comment ... inside the domain as a point to concatenate the surrounding text, rather than as folding whitespace CFWS that terminates the domain. Consequently a recipient address such as [email protected] is parsed and delivere...

Interpretation Conflict

Overview org.webjars.npm:nodemailer is an Easy as cake e-mail sending from your Node.js applications Affected versions of this package are vulnerable to Interpretation Conflict via RFC 5322 comment mis-parsing in lib/addressparser/index.js. An attacker can make mail be delivered to an...

python: Python stringprep module: Incorrect domain name processing breaks IDNA interoperability

A flaw was found in the Python 'stringprep' module. This module incorrectly processed characters by using the latest Unicode codepoint attributes instead of the Unicode 3.2.0 standard specified in RFC 3454. This deviation can lead to mismatches when processing internationalized domain names IDNA...

python: Python stringprep module: Incorrect domain name processing breaks IDNA interoperability

A flaw was found in the Python 'stringprep' module. This module incorrectly processed characters by using the latest Unicode codepoint attributes instead of the Unicode 3.2.0 standard specified in RFC 3454. This deviation can lead to mismatches when processing internationalized domain names IDNA...