CVE-2026-15028: Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header

Overview

Severity

Low (CVSS 3.9)

CVSS Vector

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

Exploit Status

Not Exploited

Patch Tuesday

2026-Jul

Released

2026-07-15

EPSS Score

0.20% (percentile: 10.4%)

Affected Products (2)

Open Source Software

• azl3 cmake 3.30.3-14 on Azure Linux 3.0

Other

• 21544-17084

Revision History

• 2026-07-15: Information published.