CVE-2026-92596

A flaw was found in Nodemailer's addressparser component. This vulnerability, due to quadratic time complexity, allows a remote attacker to cause a Denial of Service DoS. By sending a specially crafted email with a large, comma-separated list of addresses, the attacker can block the Node.js event...

EUVD-2026-81297

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

EUVD-2026-81296

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

CVE-2026-92597

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

CVE-2026-92596

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

DEBIAN-CVE-2026-92596

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

DEBIAN-CVE-2026-92597

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

CVE-2026-92597 Nodemailer before 9.1.0 Email Domain Validation Bypass via RFC 5322 Comment

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

CVE-2026-92597 Nodemailer before 9.1.0 Email Domain Validation Bypass via RFC 5322 Comment

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

CVE-2026-92597

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

CVE-2026-92597

Nodemailer versions ≥ 6.9.16 and

CVE-2026-92597 Nodemailer before 9.1.0 Email Domain Validation Bypass via RFC 5322 Comment

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

CVE-2026-92596 Nodemailer before 9.1.0 Denial of Service via addressparser

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

CVE-2026-92596 Nodemailer before 9.1.0 Denial of Service via addressparser

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

CVE-2026-92596

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

CVE-2026-92596 Nodemailer before 9.1.0 Denial of Service via addressparser

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

CVE-2026-92596

Nodemailer , a Node.js email-sending library, is affected by a quadratic time complexity vulnerability in its addressparser component (versions before 9.1.0 ). A remote attacker can send a single email containing a crafted comma-separated address list with a large number of addresses, causing the...

CVE-2026-92596: Uncontrolled Resource Consumption

Nodemailer before 9.1.0 contains a quadratic time complexity vulnerability in the addressparser component that allows remote attackers to cause denial of service by supplying a crafted comma-separated address list. Attackers can send a single email with a large number of addresses to block the...

CVE-2026-92597: Interpretation Conflict

Nodemailer versions = 6.9.16 and 9.1.0 mis-parse RFC 5322 comments in email addresses: in lib/addressparser, a comment closed immediately before a non-break character causes the tokenizer to concatenate the atoms surrounding the comment instead of treating the comment as folding whitespace that...

The vulnerability of the addressparser component in the Nodemailer library, which allows a hacker to trigger a service failure.

The vulnerability of the addressparser component in the Nodemailer email sending library is related to its algorithmic complexity. Exploiting this vulnerability could allow a malicious actor to cause service interruptions...