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6.5
MEDIUM CVSS 3.1
CVE-2025-61728
Excessive CPU consumption when building archive index in archive/zip
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.

INFO

Published Date :

Jan. 28, 2026, 8:16 p.m.

Last Modified :

Feb. 6, 2026, 6:45 p.m.

Remotely Exploit :

Yes !

Source :

[email protected]
Affected Products

The following products are affected by CVE-2025-61728 vulnerability. Even if cvefeed.io is aware of the exact versions of the products that are affected, the information is not represented in the table below.

ID Vendor Product Action
1 Golang go
: Total Affected Vendor : 1 | Products : 1
CVSS Scores
The Common Vulnerability Scoring System is a standardized framework for assessing the severity of vulnerabilities in software and systems. We collect and displays CVSS scores from various sources for each CVE.
Score Version Severity Vector Exploitability Score Impact Score Source
CVSS 3.1 MEDIUM 134c704f-9b21-4f2e-91b3-4a467353bcc0
Solution
Avoid processing zip archives with malicious filenames to prevent denial of service.
  • Avoid processing untrusted zip archives.
  • Update the archive/zip library to a patched version.
Public PoC/Exploit Available at Github

CVE-2025-61728 has a 2 public PoC/Exploit available at Github. Go to the Public Exploits tab to see the list.

References to Advisories, Solutions, and Tools

Here, you will find a curated list of external links that provide in-depth information, practical solutions, and valuable tools related to CVE-2025-61728.

URL Resource
https://go.dev/cl/736713 Patch
https://go.dev/issue/77102 Patch
https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc Release Notes
https://pkg.go.dev/vuln/GO-2026-4342 Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/01/15/4 Exploit Mailing List Third Party Advisory
CWE - Common Weakness Enumeration

While CVE identifies specific instances of vulnerabilities, CWE categorizes the common flaws or weaknesses that can lead to vulnerabilities. CVE-2025-61728 is associated with the following CWEs:

Common Attack Pattern Enumeration and Classification (CAPEC)

Common Attack Pattern Enumeration and Classification (CAPEC) stores attack patterns, which are descriptions of the common attributes and approaches employed by adversaries to exploit the CVE-2025-61728 weaknesses.

CAPEC-125: Flooding Flooding CAPEC-130: Excessive Allocation Excessive Allocation CAPEC-147: XML Ping of the Death XML Ping of the Death CAPEC-197: Exponential Data Expansion Exponential Data Expansion CAPEC-229: Serialized Data Parameter Blowup Serialized Data Parameter Blowup CAPEC-230: Serialized Data with Nested Payloads Serialized Data with Nested Payloads CAPEC-231: Oversized Serialized Data Payloads Oversized Serialized Data Payloads CAPEC-469: HTTP DoS HTTP DoS CAPEC-482: TCP Flood TCP Flood CAPEC-486: UDP Flood UDP Flood CAPEC-487: ICMP Flood ICMP Flood CAPEC-488: HTTP Flood HTTP Flood CAPEC-489: SSL Flood SSL Flood CAPEC-490: Amplification Amplification CAPEC-491: Quadratic Data Expansion Quadratic Data Expansion CAPEC-493: SOAP Array Blowup SOAP Array Blowup CAPEC-494: TCP Fragmentation TCP Fragmentation CAPEC-495: UDP Fragmentation UDP Fragmentation CAPEC-496: ICMP Fragmentation ICMP Fragmentation CAPEC-528: XML Flood XML Flood

We scan GitHub repositories to detect new proof-of-concept exploits. Following list is a collection of public exploits and proof-of-concepts, which have been published on GitHub (sorted by the most recently updated).

Profile Photo
JK-SWE-2026/klauspost__compress.0874ab86

None

Go Shell Assembly Batchfile

Updated: 1 week ago
0 stars 0 fork 0 watcher
Born at : Feb. 11, 2026, 12:47 p.m. This repo has been linked 1 different CVEs too.
Profile Photo
tao-lian/openclaw

None

Dockerfile

Updated: 5 days, 14 hours ago
1 stars 0 fork 0 watcher
Born at : Feb. 10, 2026, 8:23 p.m. This repo has been linked 26 different CVEs too.

Results are limited to the first 15 repositories due to potential performance issues.

The following list is the news that have been mention CVE-2025-61728 vulnerability anywhere in the article.

Results are limited to the first 20 news articles due to potential performance issues.

The following table lists the changes that have been made to the CVE-2025-61728 vulnerability over time.

Vulnerability history details can be useful for understanding the evolution of a vulnerability, and for identifying the most recent changes that may impact the vulnerability's severity, exploitability, or other characteristics.

  • Initial Analysis by [email protected]

    Feb. 06, 2026

    Action Type Old Value New Value
    Added CWE CWE-770
    Added CPE Configuration OR *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions up to (excluding) 1.24.12 *cpe:2.3:a:golang:go:*:*:*:*:*:*:*:* versions from (including) 1.25.0 up to (excluding) 1.25.6
    Added Reference Type Go Project: https://go.dev/cl/736713 Types: Patch
    Added Reference Type Go Project: https://go.dev/issue/77102 Types: Patch
    Added Reference Type Go Project: https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc Types: Release Notes
    Added Reference Type Go Project: https://pkg.go.dev/vuln/GO-2026-4342 Types: Vendor Advisory
    Added Reference Type CVE: http://www.openwall.com/lists/oss-security/2026/01/15/4 Types: Exploit, Mailing List, Third Party Advisory
  • CVE Modified by 134c704f-9b21-4f2e-91b3-4a467353bcc0

    Jan. 29, 2026

    Action Type Old Value New Value
    Added CVSS V3.1 AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
  • CVE Modified by af854a3a-2127-422b-91ae-364da2661108

    Jan. 28, 2026

    Action Type Old Value New Value
    Added Reference http://www.openwall.com/lists/oss-security/2026/01/15/4
  • New CVE Received by [email protected]

    Jan. 28, 2026

    Action Type Old Value New Value
    Added 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.
    Added Reference https://go.dev/cl/736713
    Added Reference https://go.dev/issue/77102
    Added Reference https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUc
    Added Reference https://pkg.go.dev/vuln/GO-2026-4342
EPSS is a daily estimate of the probability of exploitation activity being observed over the next 30 days. Following chart shows the EPSS score history of the vulnerability.
Vulnerability Scoring Details
Base CVSS Score: 6.5
Attack Vector
Attack Complexity
Privileges Required
User Interaction
Scope
Confidentiality Impact
Integrity Impact
Availability Impact