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Name
CVE-2026-32288
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.
CWEs
Published Date
Updated Date
Workaround
-
Advisories
https://go.dev/issue/78301Issue Tracking
https://pkg.go.dev/vuln/GO-2026-4869Vendor Advisory
Analysis#
Vulnerability Ratings#
5.5
CVSSv31
5.5
CVSSv31
NaN
other
Others affected components#
Name
Project
Project Version
Version
Status
openwrt
master
1.24.13-r1
Exploitable
openwrt
master
1.27.0-r1
Not Affected
openwrt
openwrt-25.12
1.24.13-r1
Exploitable
openwrt
openwrt-25.12
1.26.6-r1
Not Affected
yocto
master
1.26.6
Not Affected
yocto
master
1.26.6
Not Affected
yocto
scarthgap
1.22.12
Patched
yocto
scarthgap
1.22.12
Exploitable
Resolved with patches#
go (yocto:scarthgap)
#
Title
Author
Resolve
1
[release-branch.go1.25] archive/tar: limit the number of
Damien Neil <dneil@google.com>
CVE-2026-32288