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CVE-2026-32288

nvd nist
Published: Apr 8, 2026Modified: Jul 25, 2026

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5.5
Vector
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Exploitability: 1.8 / Impact: 3.6
Source: NVD

Description

tar.Reader can allocate an unbounded amount of memory when reading a maliciously-crafted archive containing a large number of sparse regions encoded in the "old GNU sparse map" format.

Affected (2)

Products: Golang: Go
Golang
1 product
Go
Configuration A
2 vulnerable
Vulnerable SoftwareAffected Versions
Golang
Go
Before 1.25.9
Go
From 1.26.0 to 1.26.2

Related CWEs

CWE-770
Allocation of Resources Without Limits or Throttling
The product allocates a reusable resource or group of resources on behalf of an actor without imposing any restrictions on the size or number of resources that can be allocated, in violation of the intended security policy for that actor.

References (4)

Source: security@golang.org
Patch
Source: security@golang.org
Issue Tracking
Source: security@golang.org
Mailing ListRelease Notes
Source: security@golang.org
Vendor Advisory

Timeline

No history available yet.