CVE-2026-15028
Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header
CVSS Score
3.9
EPSS Score
0.2%
EPSS Percentile
10th
A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap overflow by providing a specially crafted tar archive. The issue occurs during the parsing of a PAX extended header containing a malformed SUN.holesdata sparse-file attribute. Successful exploitation could lead to a denial of service, making the system unavailable, or potentially allow for arbitrary code execution, giving the attacker control over the affected system.
| Vendor | red hat |
| Product | red hat hardened images |
| Published | Jul 10, 2026 |
| Last Updated | Jul 15, 2026 |
Stay Ahead of the Next One
Get instant alerts for red hat red hat hardened images
Be the first to know when new low vulnerabilities affecting red hat red hat hardened images are published — delivered to Slack, Telegram or Discord.
Get Free Alerts →
Free · No credit card · 60 sec setup
CVSS v3 Breakdown
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L Attack Vector
Local
Attack Complexity
Low
Privileges Required
Low
User Interaction
Required
Scope
Unchanged
Confidentiality
Low
Integrity
None
Availability
Low
Affected Versions
Red Hat / Red Hat Hardened Images
All versions affected Red Hat / Red Hat Enterprise Linux 10
All versions affected Red Hat / Red Hat Enterprise Linux 6
All versions affected Red Hat / Red Hat Enterprise Linux 7
All versions affected Red Hat / Red Hat Enterprise Linux 8
All versions affected Red Hat / Red Hat Enterprise Linux 9
All versions affected Red Hat / Red Hat OpenShift Container Platform 4
All versions affected References
access.redhat.com: https://access.redhat.com/errata/RHSA-2026:38279 access.redhat.com: https://access.redhat.com/security/cve/CVE-2026-15028 bugzilla.redhat.com: https://bugzilla.redhat.com/show_bug.cgi?id=2497970 github.com: https://github.com/libarchive/libarchive/issues/3251 github.com: https://github.com/libarchive/libarchive/pull/3253