PT-2026-31065 · Unknown+1 · Tar.Reader+1

Colin Walters + 2 · Published 2026-04-07 · Updated 2026-05-09 · CVE-2026-32288

Positive Technologies (AI Summary)

CVSS v3.1

5.5

Medium

Base vector

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

Name of the Vulnerable Software and Affected Versions tar.Reader (affected versions not specified)

Description tar.Reader can allocate an unbounded amount of memory when processing a specially crafted archive containing numerous sparse regions encoded using the "old GNU sparse map" format. This can lead to excessive memory consumption and potentially cause a denial-of-service condition.

Recommendations At the moment, there is no information about a newer version that contains a fix for this vulnerability.

DoS

Allocation of Resources Without Limits

Weakness Enumeration

CWE-770

Related Identifiers

BDU:2026-07247

BIT-GOLANG-2026-32288

CVE-2026-32288

GO-2026-4869

OESA-2026-2247

OESA-2026-2248

OESA-2026-2249

OESA-2026-2250

OESA-2026-2251

OPENSUSE-SU-2026:10514-1

OPENSUSE-SU-2026:10525-1

OPENSUSE-SU-2026:20570-1

OPENSUSE-SU-2026:20571-1

RHSA-2026:7291

RHSA-2026:7385

SUSE-SU-2026:1320-1

SUSE-SU-2026:1321-1

SUSE-SU-2026:1580-1

SUSE-SU-2026:1581-1

Affected Products

Red Os

Tar.Reader

References · 74

• https://osv.dev/vulnerability/DEBIAN-CVE-2026-32288 · Vendor Advisory
• https://nvd.nist.gov/vuln/detail/CVE-2026-27144 · Security Note
• https://osv.dev/vulnerability/SUSE-SU-2026:1581-1 · Vendor Advisory
• https://cve.org/CVERecord?id=CVE-2026-32288 · Security Note
• https://go.dev/cl/763766 · Patch
• https://osv.dev/vulnerability/OESA-2026-2251 · Vendor Advisory
• https://osv.dev/vulnerability/BELL-CVE-2026-32288 · Vendor Advisory
• https://osv.dev/vulnerability/openSUSE-SU-2026:20570-1 · Vendor Advisory
• https://bdu.fstec.ru/vul/2026-07247 · Security Note
• https://osv.dev/vulnerability/openSUSE-SU-2026:10514-1 · Vendor Advisory
• https://osv.dev/vulnerability/UBUNTU-CVE-2026-32288 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2248 · Vendor Advisory
• https://pkg.go.dev/vuln/GO-2026-4869 · Vendor Advisory
• https://security-tracker.debian.org/tracker/CVE-2026-32288 · Vendor Advisory
• https://osv.dev/vulnerability/OESA-2026-2250 · Vendor Advisory