id: GO-2025-4014
modules:
    - module: std
      versions:
        - fixed: 1.24.8
        - introduced: 1.25.0
        - fixed: 1.25.2
      vulnerable_at: 1.25.1
      packages:
        - package: archive/tar
          symbols:
            - readGNUSparseMap1x0
          derived_symbols:
            - Reader.Next
summary: Unbounded allocation when parsing GNU sparse map in archive/tar
description: |-
    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.
cves:
    - CVE-2025-58183
credits:
    - Harshit Gupta (Mr HAX)
references:
    - fix: https://go.dev/cl/709861
    - report: https://go.dev/issue/75677
    - web: https://groups.google.com/g/golang-announce/c/4Emdl2iQ_bI
cve_metadata:
    id: CVE-2025-58183
    cwe: 'CWE-400: Uncontrolled Resource Consumption'
source:
    id: go-security-team
    created: 2025-10-28T18:38:44.460157-07:00
review_status: REVIEWED