CVE-2025-58183

MediumCVSS 4.3/10Last modified Oct 8, 2026

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.

Metrics

CVSS 3.1 4.3/10CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L

Affected software

No affected versions have been published.

Timeline

Published
Oct 29, 2025
Last modified
Oct 8, 2026
NVD status
Deferred

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