tar.Reader does not set a maximum size on the number of sparse region data blocks in GNU tar pax 1.0 sparse files. A maliciously-crafted archive containing a large number of sparse regions can cause a Reader to read an unbounded amount of data from the archive into memory. When reading from a compressed source, a small compressed input can result in large allocations.
CVE-2025-58183
Score 3.3 from GitHub Security Advisory (severity: LOW) published 2025-10-30. NVD baseline CVSS 4.3; sources differ by 1.0.
- Lower severity and no public exploit yet
A fix is available — apply it.
- CVSS v3
- 4.3
- EG Score
- 3.3(medium)
- EPSS
- 33.8%
- KEV
- Not listed
Published
October 29, 2025
Last Modified
April 15, 2026
References (5)
- security@golanghttps://go.dev/cl/709861
- security@golanghttps://go.dev/issue/75677
- security@golanghttps://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
- security@golanghttps://pkg.go.dev/vuln/GO-2025-4014
- af854a3a-2127-422b-91ae-364da2661108http://www.openwall.com/lists/oss-security/2025/10/08/1
Vendor Advisories for CVE-2025-58183(20)
These vendors published their own advisory mentioning this CVE — often with vendor-specific remediation steps + affected product lists not in NVD.
- RHSA-2026:30650Red Hat Product SecurityHigh
Red Hat Security Advisory: multicluster engine for Kubernetes v2.8.8 security update
- RHSA-2026:26541Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.13.68 packages and security update
- RHSA-2026:26527Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.12.92 packages and security update
- RHSA-2026:26420Red Hat Product SecurityHigh
Red Hat Security Advisory: Red Hat OpenShift Data Foundation 4.18.24 security, enhancement & bug fix update
- RHSA-2026:21701Red Hat Product SecurityMedium
Red Hat Security Advisory: OpenShift Container Platform 4.20.24 packages and security update
- RHSA-2026:21658Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.18.43 security and extras update
- RHSA-2026:21704Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.20.24 security and extras update
- RHSA-2026:20089Red Hat Product SecurityHigh
Red Hat Security Advisory: OpenShift Container Platform 4.16.63 security and extras update
- +12 more
Patch Availability(30)
Patches are aggregated from vendor advisories (Red Hat, Microsoft, Cisco, GitHub) and package ecosystems (OSV, GHSA). Multiple rows for the same upstream release have been deduplicated.
Affected Packages
(1 across 1 ecosystem)
Go(1)
| Package | Vulnerable range | Fixed in | Dependents |
|---|---|---|---|
| stdlib | — | 1.25.2 | — |
All Vendor Advisories
(25)
Every vendor that published an advisory referencing this CVE — pulled from our cve_vendor_advisories aggregation. Click any row for the vendor's original advisory page.
- Microsoft MSRCCVE-2025-581832025-10-31
Unbounded allocation when parsing GNU sparse map in archive/tar
- Red HatRHSA-2025:21778MODERATE2025-10-29
RHSA-2025:21778 — Moderate
- Red HatRHSA-2025:21779MODERATE2025-10-29
RHSA-2025:21779 — Moderate
- Red HatRHSA-2025:21815MODERATE2025-10-29
RHSA-2025:21815 — Moderate
- Red HatRHSA-2025:21816MODERATE2025-10-29
RHSA-2025:21816 — Moderate
- Red HatRHSA-2025:21856MODERATE2025-10-29
RHSA-2025:21856 — Moderate
- Red HatRHSA-2025:21964MODERATE2025-10-29
RHSA-2025:21964 — Moderate
- Red HatRHSA-2025:22011MODERATE2025-10-29
RHSA-2025:22011 — Moderate
- Red HatRHSA-2025:22012MODERATE2025-10-29
RHSA-2025:22012 — Moderate
- Red HatRHSA-2025:22030MODERATE2025-10-29
RHSA-2025:22030 — Moderate
- Red HatRHSA-2025:22181MODERATE2025-10-29
RHSA-2025:22181 — Moderate
- Red HatRHSA-2025:22255MODERATE2025-10-29
RHSA-2025:22255 — Moderate
- Red HatRHSA-2025:22345MODERATE2025-10-29
RHSA-2025:22345 — Moderate
- Red HatRHSA-2025:22668MODERATE2025-10-29
RHSA-2025:22668 — Moderate
- Red HatRHSA-2025:22738MODERATE2025-10-29
RHSA-2025:22738 — Moderate
- Red HatRHSA-2025:22743MODERATE2025-10-29
RHSA-2025:22743 — Moderate
- Red HatRHSA-2025:22759MODERATE2025-10-29
RHSA-2025:22759 — Moderate
- Red HatRHSA-2025:22899MODERATE2025-10-29
RHSA-2025:22899 — Moderate
- Red HatRHSA-2025:23001MODERATE2025-10-29
RHSA-2025:23001 — Moderate
- Red HatRHSA-2025:23002MODERATE2025-10-29
RHSA-2025:23002 — Moderate
- Red HatRHSA-2025:23087MODERATE2025-10-29
RHSA-2025:23087 — Moderate
- Red HatRHSA-2025:23088MODERATE2025-10-29
RHSA-2025:23088 — Moderate
- Red HatRHSA-2025:23294MODERATE2025-10-29
RHSA-2025:23294 — Moderate
- Red HatRHSA-2025:23295MODERATE2025-10-29
RHSA-2025:23295 — Moderate
- Red HatRHSA-2025:23325MODERATE2025-10-29
RHSA-2025:23325 — Moderate
Data Freshness Timeline
(refreshed 9× in last 7d / 41× in last 30d)
Each row is a source pipeline that fetched or updated this CVE on that date, with what changed. For example, "NVD update" means NVD published or revised its analysis for this CVE; "MITRE cvelistV5" means we ingested or refreshed it from the CNA feed. Most recent first.
- 2026-07-11 08:27 UTCEPSS rescore
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- 2026-06-22 14:25 UTCEPSS rescore
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- 2026-05-21 05:32 UTCEG score recompute
- 2026-05-21 05:32 UTCVendor advisory
- 2026-05-21 05:32 UTCGHSA enrichment
- 2026-05-20 22:37 UTCEPSS rescore
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Frequently asked(5)
What is CVE-2025-58183?
When was CVE-2025-58183 disclosed?
Is CVE-2025-58183 actively exploited?
What is the CVSS score of CVE-2025-58183?
How do I remediate CVE-2025-58183?
Dependency Blast Radius
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