GHSA-74JP-VM22-8Q8X Microsoft Security Advisory CVE-2026-50659 – .NET Spoofing Vulnerability

Executive summary Microsoft is releasing this security advisory to provide information about a vulnerability in .NET SMTP client System.Net.Mail. This advisory also provides guidance on what developers can do to update their applications to remove this vulnerability. A spoofing vulnerability exis...

MiracleLinux 9 : golang-1.26.3-1.el9_8 (AXSA:2026-1288:06)

The remote MiracleLinux 9 host has packages installed that are affected by multiple vulnerabilities as referenced in the AXSA:2026-1288:06 advisory. net/mail: golang: net/mail: Denial of Service via pathological email address parsing CVE-2026-42499 cmd/go: golang: Go command cmd/go: Integrity...

Important: Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.3.5

Red Hat OpenShift Service Mesh 3.3.5 This update has a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the References section. Red Hat OpenShift Service Mesh 3.3....

Important: Red Hat Security Advisory: Red Hat OpenShift Service Mesh 3.1.10

Red Hat OpenShift Service Mesh 3.1.10 This update has a security impact of Important. A Common Vulnerability Scoring System CVSS base score, which gives a detailed severity rating, is available for each vulnerability from the CVE links in the References section. Red Hat OpenShift Service Mesh...

net/mail: golang: Go net/mail: Denial of Service via crafted email inputs

A flaw was found in the net/mail package of the Go programming language. An attacker could provide specially crafted inputs to the ParseAddress, ParseAddressList, or ParseDate functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service DoS for...

net/mail: golang: Go net/mail: Denial of Service via crafted email inputs

A flaw was found in the net/mail package of the Go programming language. An attacker could provide specially crafted inputs to the ParseAddress, ParseAddressList, or ParseDate functions. This could lead to excessive consumption of CPU and memory resources, resulting in a Denial of Service DoS for...

SUSE-SU-2026:2078-1 Security update for go1.26-openssl

This update for go1.26-openssl fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: 'go tool...

OPENSUSE-SU-2026:20762-1 Security update for go1.26

This update for go1.26 fixes the following issues Security issues: - CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. - CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. - CVE-2026-39817: cmd/go: "go tool pack" does...

net/mail: golang: net/mail: Denial of Service via pathological email address parsing

A flaw was found in the net/mail package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the consumePhrase function, it can lead to excessive resource consumption due to quadratic...

net/mail: golang: net/mail: Denial of Service via pathological email address parsing

A flaw was found in the net/mail package within the Go standard library. A remote attacker could provide specially crafted, pathological email addresses. When these malformed email addresses are parsed by the consumePhrase function, it can lead to excessive resource consumption due to quadratic...

Security update for go1.26

This update for go1.26 fixes the following issues Security issues: CVE-2026-33811: net: crash when handling long CNAME response bsc1264508. CVE-2026-33814: net/http: infinite loop in HTTP/2 transport when given bad SETTINGSMAXFRAMESIZE bsc1264506. CVE-2026-39817: cmd/go: "go tool pack" does not...

BIT-GOLANG-2026-39820 Quadratic string concatentation in consumeComment in net/mail

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations...

CVE-2026-39820 Quadratic string concatentation in consumeComment in net/mail

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations...

CVE-2026-39820

CVE-2026-39820 relates to the Go net/mail package, specifically a quadratic string concatenation in the consumeComment path. This root cause can cause excessive CPU usage and memory allocations when parsing crafted inputs through functions like ParseAddress, ParseAddressList, and ParseDate. The p...

CVE-2026-39820 Quadratic string concatentation in consumeComment in net/mail

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations...

CVE-2026-39820 Quadratic string concatentation in consumeComment in net/mail

Well-crafted inputs reaching ParseAddress, ParseAddressList, and ParseDate were able to trigger excessive CPU exhaustion and memory allocations...

CVE-2026-42499

CVE-2026-42499 affects the net/mail package’s consumePhrase routine, where pathological inputs can trigger DoS due to quadratic string concatenation when parsing RFC 5322 email addresses. This is documented across multiple feeds (NVD, CVE list, Debian, CIRCL, OSV GO-2026-4977, vulnrichment), indi...

CVE-2026-42499 Quadratic string concatenation in consumePhrase in net/mail

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322...

CVE-2026-42499 Quadratic string concatenation in consumePhrase in net/mail

Pathological inputs could cause DoS through consumePhrase when parsing an email address according to RFC 5322...

Allocation of Resources Without Limits or Throttling

Overview std/net/mail is a Go standard library package std/net/mail Affected versions of this package are vulnerable to Allocation of Resources Without Limits or Throttling. Go Vulnerability Report: Pathological inputs could cause DoS through consumePhrase when parsing an email address according ...