CVE-2026-32288

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.

CVSS v3 5.5 MEDIUM

5.5^/10

CVSS v3 : MEDIUM

Vector :

Exploitability : 1.8 / Impact : 3.6

Attack Vector LOCAL

Attack Complexity LOW

Privileges Required NONE

User Interaction REQUIRED

Confidentiality Impact NONE

Integrity Impact NONE

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://go.dev/cl/763766	Patch
https://go.dev/issue/78301	Issue Tracking
https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU	Release Notes Mailing List
https://pkg.go.dev/vuln/GO-2026-4869	Vendor Advisory

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:golang:go::::::::
	cpe:2.3:a:golang:go::::::::

History

16 Apr 2026, 19:08

Type	Values Removed	Values Added
CWE		CWE-770
References	~~() https://go.dev/cl/763766 -~~	() https://go.dev/cl/763766 - Patch
References	~~() https://go.dev/issue/78301 -~~	() https://go.dev/issue/78301 - Issue Tracking
References	~~() https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU -~~	() https://groups.google.com/g/golang-announce/c/0uYbvbPZRWU - Release Notes, Mailing List
References	~~() https://pkg.go.dev/vuln/GO-2026-4869 -~~	() https://pkg.go.dev/vuln/GO-2026-4869 - Vendor Advisory
First Time		Golang go Golang
CPE		cpe:2.3:a:golang:go::::::::

13 Apr 2026, 19:16

Type	Values Removed	Values Added
CVSS	v2 : ~~unknown~~ v3 : ~~unknown~~	v2 : unknown v3 : 5.5

08 Apr 2026, 02:16

Type	Values Removed	Values Added
New CVE

Information

Published : 2026-04-08 02:16

Updated : 2026-04-16 19:08

NVD link : CVE-2026-32288

Mitre link : CVE-2026-32288

CVE.ORG link : CVE-2026-32288

JSON object : View

Products Affected

golang

go

CWE

CWE-770

Allocation of Resources Without Limits or Throttling

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