CVE-2026-32288

MEDIUM

5.5

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.

CVE Details

CVSS v3.1 Score5.5

SeverityMEDIUM

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

Attack VectorLOCAL

ComplexityLOW

Privileges RequiredNONE

User InteractionREQUIRED

Published4/8/2026

Last Modified4/16/2026

Sourcenvd

Honeypot Sightings0

Affected Products

golang:go

Weaknesses (CWE)

CWE-770

References

https://go.dev/cl/763766(security@golang.org)

https://go.dev/issue/78301(security@golang.org)

https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU(security@golang.org)

https://pkg.go.dev/vuln/GO-2026-4869(security@golang.org)

IOC Correlations

No correlations recorded

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