CVE-2026-52956: libceph: Fix potential out-of-bounds access in __ceph_x_decrypt()

Overview

Severity

High (CVSS 7.5)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jun

Released

2026-06-27

Last Updated

2026-09-24

EPSS Score

0.49% (percentile: 39.6%)

Affected Products (5)

Other

• 21684-17084
• 21892-17084
• 21932-17084
• 21474-17084
• 21580-17084

Revision History

• 2026-06-27: Information published.
• 2026-06-28: Information published.
• 2026-06-30: Information published.
• 2026-07-12: Information published.
• 2026-08-13: Information published.
• 2026-09-23: Information published.
• 2026-09-24: Information published.
• 2026-09-24: Information published.