CVE-2026-32288
Low
No strong exploitation signal.
CVSS base
5.5
MEDIUM
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
EPSS — probability of exploitation (30 days)
0.3%
21.8th percentile
CISA KEV
Not listed
Weakness / dates
CWE-770
Published 2026-04-08 · modified 2026-07-25
CVSS breakdown
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
| Attack Vector | L | Local |
| Attack Complexity | L | Low |
| Privileges Required | N | None |
| User Interaction | R | Required |
| Scope | U | Unchanged |
| Confidentiality | N | None |
| Integrity | N | None |
| Availability | H | High |
Timeline
- 2026-04-08 — Published (NVD)
- 2026-07-25 — Last modified (NVD)
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.