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CVE-2025-61725— Excessive CPU consumption in ParseAddress in net/mail

Quick assessment

Affected
Go standard library net/mail
Exploitation
No confirmed in-the-wild exploitation; assess based on exposure
Recommended action
Check the vendor advisory and references for a fixed version. If immediate upgrade is impossible, restrict exposure and increase monitoring.

Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于ParseAddress函数通过重复字符串连接构造域文字地址组件，可能导致CPU消耗过高。

AI Predicted 7.5 Difficulty: Moderate EPSS 0.65% · P49

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-61725

Vulnerability Information
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Vulnerability Title
Excessive CPU consumption in ParseAddress in net/mail
Source: CVE Program / CVE List V5
Vulnerability Description
The ParseAddress function constructs domain-literal address components through repeated string concatenation. When parsing large domain-literal components, this can cause excessive CPU consumption.
Source: CVE Program / CVE List V5
CVSS Information
N/A
Source: CVE Program / CVE List V5
Vulnerability Type
N/A
Source: CVE Program / CVE List V5
Vulnerability Title
Google Go 安全漏洞
Source: CNNVD (China National Vulnerability Database)
Vulnerability Description
Google Go是美国谷歌（Google）公司的一种静态强类型、编译型、并发型，并具有垃圾回收功能的编程语言。 Google Go存在安全漏洞，该漏洞源于ParseAddress函数通过重复字符串连接构造域文字地址组件，可能导致CPU消耗过高。
Source: CNNVD (China National Vulnerability Database)
CVSS Information
N/A
Source: CNNVD (China National Vulnerability Database)
Vulnerability Type
N/A
Source: CNNVD (China National Vulnerability Database)

Affected Products

Vendor Product Affected Versions CPE Subscribe
Go standard library net/mail 0 ~ 1.24.8 -

II. Public POCs for CVE-2025-61725

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III. Intelligence Information for CVE-2025-61725

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Vendor Advisories for CVE-2025-61725 (1)

Same Patch Batch · Go standard library · 2025-10-29 · 10 CVEs total

CVE-2025-58187 Quadratic complexity when checking name constraints in crypto/x509
CVE-2025-58186 Lack of limit when parsing cookies can cause memory exhaustion in net/http
CVE-2025-58183 Unbounded allocation when parsing GNU sparse map in archive/tar
CVE-2025-58188 Panic when validating certificates with DSA public keys in crypto/x509
CVE-2025-58189 ALPN negotiation error contains attacker controlled information in crypto/tls
CVE-2025-58185 Parsing DER payload can cause memory exhaustion in encoding/asn1
CVE-2025-47912 Insufficient validation of bracketed IPv6 hostnames in net/url
CVE-2025-61724 Excessive CPU consumption in Reader.ReadResponse in net/textproto
CVE-2025-61723 Quadratic complexity when parsing some invalid inputs in encoding/pem

IV. Related Vulnerabilities

Same product: net/mail
Same vendor: Go standard library

V. Comments for CVE-2025-61725

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