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CVE-2025-61728— Excessive CPU consumption when building archive index in archive/zip

Quick assessment

Affected
Go standard library archive/zip
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，该漏洞源于使用超线性文件名索引算法，可能导致处理恶意ZIP存档时遭受拒绝服务攻击。

AI Predicted 5.3 Difficulty: Easy EPSS 0.64% · P48

Possible ATT&CK Techniques 1 AI

T1496 · Resource Hijacking
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I. Basic Information for CVE-2025-61728

Vulnerability Information
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Vulnerability Title
Excessive CPU consumption when building archive index in archive/zip
Source: CVE Program / CVE List V5
Vulnerability Description
archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is opened. This can lead to a denial of service when consuming a maliciously constructed ZIP archive.
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，该漏洞源于使用超线性文件名索引算法，可能导致处理恶意ZIP存档时遭受拒绝服务攻击。
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 archive/zip 0 ~ 1.24.12 -

II. Public POCs for CVE-2025-61728

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III. Intelligence Information for CVE-2025-61728

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Same Patch Batch · Go standard library · 2026-01-28 · 3 CVEs total

CVE-2025-61730 Handshake messages may be processed at the incorrect encryption level in crypto/tls
CVE-2025-61726 Memory exhaustion in query parameter parsing in net/url

IV. Related Vulnerabilities

Same product: archive/zip
Same vendor: Go standard library

V. Comments for CVE-2025-61728

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