Nodemailer: A nested comment ends early in addressparser, releasing the rest of the comment as a recipient

Vulnerability summary RFC 5322 comments nest. addressparser ended a comment at the first , including the one that closes a nested comment, and parsed the rest of the outer comment as header text. Victim xy names [email protected] with xy as a comment, and Nodemailer read it as the address [email protected]...

GHSA-PRGH-XP8R-P3M5 Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)

Summary nodemailer/lib/addressparser parses one shape of address in On^2 time. A single 640 KB address value blocks the Node.js event loop for roughly 7 seconds. And it is reachable without auth: mailparser feeds inbound email headers straight into this parser, so one crafted email is enough to...

Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)

Summary nodemailer/lib/addressparser parses one shape of address in On^2 time. A single 640 KB address value blocks the Node.js event loop for roughly 7 seconds. And it is reachable without auth: mailparser feeds inbound email headers straight into this parser, so one crafted email is enough to...

NPM: Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)

NPM: Nodemailer addressparser: On^2 on comment-joined addresses enables a remote DoS reachable via mailparser vulnerability discovered by ? in WordPress Npm nodemailer versions = 9.1.0, = 10.0.4...

GHSA-V53P-9FQP-M79J Nodemailer: Quadratic backtracking in the addressparser free-text fallback allows remote denial of service

Summary When addressparser finds no address by its strict reading, it falls back to pulling one out of the free text with /\s\b^@\s+@^\s+\b\s/. That pattern backtracks quadratically: ^@\s+ is retried from every offset and rescans the run to the next @ each time. A single header value holding a lo...

Inefficient Algorithmic Complexity

Overview nodemailer is an Easy as cake e-mail sending from your Node.js applications Affected versions of this package are vulnerable to Inefficient Algorithmic Complexity in its address parser src/addressparser/index.ts, whose join condition evaluates partsparts.length - 1.slice-1 before the...

Duplicate Advisory: Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-prgh-xp8r-p3m5. This link is maintained to preserve external references. Original Description Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser...

GHSA-VM5R-23W9-M8HX Duplicate Advisory: Nodemailer addressparser: O(n^2) on comment-joined addresses enables a remote DoS (reachable via mailparser)

Duplicate Advisory This advisory has been withdrawn because it is a duplicate of GHSA-prgh-xp8r-p3m5. This link is maintained to preserve external references. Original Description Nodemailer versions 9.1.0 through 10.0.4 contain a quadratic time complexity vulnerability in the addressparser...

Security Bulletin: IBM App Connect Enterprise Certified Container IntegrationServer and IntegrationRuntime operands are vulnerable to remote code execution (CVE-2026-3455)

Summary IBM App Connect Enterprise Certified Container IntegrationServer and IntegrationRuntime operands are vulnerable to remote code execution. This bulletin provides patch information to address the reported vulnerability in Node.js module mailparsr CVE-2026-3455 Vulnerability Details...

CVE-2026-3455

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

mailparser vulnerable to Cross-site Scripting

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

GHSA-7GMJ-H9XC-MCXC mailparser vulnerable to Cross-site Scripting

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

@activeboxes/piece-gmail (0.8.1), @activeboxes/piece-imap (0.2.10) +73 more potentially affected by CVE-2026-3455 via mailparser (>=3.0.0, <=3.9.1)

mailparser NPM version =3.0.0, =0.6.0, =0.0.1, =0.0.1, =1.0.0, =1.0.64-alpha, =1.0.21-alpha, =4.0.1-alpha, =1.0.0, =1.0.0, =1.0.0, =1.0.2 and more Source cves: CVE-2026-3455 Source advisory: GHSA-7GMJ-H9XC-MCXC...

@activeboxes/piece-gmail (0.8.1), @activeboxes/piece-imap (0.2.10) +73 more potentially affected by CVE-2026-3455 via mailparser (>=3.0.0, <=3.9.1)

mailparser NPM version =3.0.0, =0.6.0, =0.0.1, =0.0.1, =1.0.0, =1.0.64-alpha, =1.0.21-alpha, =4.0.1-alpha, =1.0.0, =1.0.0, =1.0.0, =1.0.2 and more Source cves: CVE-2026-3455 Source advisory: OSV:GHSA-7GMJ-H9XC-MCXC...

CVE-2026-3455

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

CVE-2026-3455

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

CVE-2026-3455

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

CVE-2026-3455

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...

CVE-2026-3455

Summary: CVE-2026-3455 affects the node package mailparser up to version 3.9.3. Vulnerability: XSS via the textToHtml() function caused by improper sanitisation of URLs in email content. An attacker can execute arbitrary JavaScript in the victim’s browser by supplying a URL with an extra quote ch...

CVE-2026-3455

Versions of the package mailparser before 3.9.3 are vulnerable to Cross-site Scripting XSS via the textToHtml function due to the improper sanitisation of URLs in the email content. An attacker can execute arbitrary scripts in victim browsers by adding extra quote " to the URL with embedded...