CVE-2023-30571

libarchive: Race condition in multi-threaded use of archive_write_disk_header() on posix based systems

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Severity

Moderate

Red Hat Product Security

5.3

CVSS 3.1

Review impact separately from score.

Published · May 29, 2023

Updated · January 23, 2026

Description

A vulnerability was found in libarchive. This issue can cause a race condition in a multi-threaded use of archive_write_disk_header() on posix based systems, which could allow implicit directory creation with permissions 777, without sticky bit, which means any low privileged user on the system can delete and rename files inside those directories.

CVSS score applicability

The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.

Mitigation

No mitigation is specified in collected source.

CVSS / CWE

CVSS 3.1 · 5.3
CVSS:3.1/AV:L/AC:H/PR:L/UI:N/S:U/C:N/I:L/A:H

CWE-362 · Concurrent Execution using Shared Resource with Improper Synchronization ('Race Condition')