Home/CVE/archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is open
CVE

CVE-2025-61728

archive/zip uses a super-linear file name indexing algorithm that is invoked the first time a file in an archive is open

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.

MEDIUM · CVSS 6.5 EPSS 0.00043
Monitor
  • No active-exploitation, high-EPSS, or public-exploit signals - routine patching cadence
Sigma rules0 YARA rules0
⬡

Weakness Classification

CWE-770Allocation of Resources Without Limits or Throttling
▤

Affected Products & Versions

2
golang go< 1.24.12
golang go>= 1.25.0 and < 1.25.6
▤

Affected Packages

1
Language-ecosystem packages (from OSV) tied to this CVE, with the version that fixes it - the dependency-level detail NVD doesn’t carry.
Go stdlib fixed in 1.24.12, 1.25.6
▣

Scoring & Timeline

6.5
MEDIUM · CVSS v3.1 · security@golang.org
View on NVD
Attack Vector
Network Adjacent Local Physical
Attack Complexity
Low High
Privileges Required
None Low High
User Interaction
None Required
Scope
Unchanged Changed
Confidentiality
None Low High
Integrity
None Low High
Availability
None Low High
Published to NVD28 Jan 2026 · 08:16 PM
CVSS VectorCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
SSVC triage · cisa-vulnrichment
Exploitation
none
Automatable
no
Technical impact
partial
SSVC asks the questions that actually drive patch urgency: is it being exploited, can attacks be automated, and how total is the impact.
⚑

Vendor Advisories

30
suse-csafopenSUSE-SU-2026:20619-1
rhsaRHSA-2026:7385Moderate
rhsaRHSA-2026:10175Important
rhsaRHSA-2026:17598Important
rhsaRHSA-2026:14774Important
🔗

References & Sources

5
Source URLs (vendor pages, mailing lists, write-ups). Exploit/PoC links are in their own section above to avoid duplication.
https://go.dev/cl/736713Patch
https://go.dev/issue/77102Patch
https://groups.google.com/g/golang-announce/c/Vd2tYVM8eUcRelease Notes
https://pkg.go.dev/vuln/GO-2026-4342Vendor Advisory
http://www.openwall.com/lists/oss-security/2026/01/15/4ExploitMailing ListThird Party Advisory
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