🛡️ CVE-2026-32288 on Debian — golang-1.15

⚪ Unknown ✅ No Known Exploit OSV
N/A
CVSS Score
0 Low4 Medium7 High9 Critical10

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.

Distribution advisory

This page covers CVE-2026-32288 as tracked by Debian, for the package golang-1.15. The fix is available in version 1.25.9-1; earlier versions remain affected.

How this vulnerability can be exploited

This issue can be reached with local access to the system, attack complexity is low, an attacker needs no privileges on the target. A user must be tricked into taking some action. The scope is unchanged, so the impact stays within the vulnerable component. Rated impact: confidentiality none, integrity none, availability high.

Weakness class

DEBIAN-CVE-2026-32288 is classified as CWE-770: Allocation of Resources Without Limits. Resources are allocated on request with no cap, so a client can exhaust them.

Affected software

DEBIAN-CVE-2026-32288 is recorded against 5 packages.

  • golang-1.15
  • golang-1.19
  • golang-1.24
  • golang-1.25 (fixed in 1.25.9-1)
  • golang-1.26 (fixed in 1.26.2-1)

Timeline and source

Published on 8 April 2026 and last revised on 4 August 2026. No public exploit is currently recorded for this entry. Record sourced from OSV.

References

security-tracker.debian.org (Advisory)

CVE-2026-32288 on other distributions

Each distribution ships its own build and its own fixed version. Pick the one you run:

Details

Severity Unknown
CVSS Score N/A
CVSS Vector CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
CWE N/A
Public Exploit ✅ No
Source OSV
Published 2026-04-08
Updated 2026-08-11
Modified 2026-08-04
Fix URL N/A

Affected Packages

Software From version Fixed in
golang-1.15 — —
golang-1.19 — —
golang-1.24 — —
golang-1.25 — 1.25.9-1
golang-1.26 — 1.26.2-1

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