CVE-2026-15028

LOW

Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header

Title source: cna
STIX 2.1

Description

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.

References (5)

Core 5
Core References
Vendor Advisory vendor-advisory x_refsource_redhat
RHSA-2026:38279
https://access.redhat.com/errata/RHSA-2026:38279
Vdb Entry, X_Refsource_Redhat vdb-entry x_refsource_redhat
https://access.redhat.com/security/cve/CVE-2026-15028
Issue Tracking, X_Refsource_Redhat issue-tracking x_refsource_redhat
RHBZ#2497970
https://bugzilla.redhat.com/show_bug.cgi?id=2497970

Scores

CVSS v3 3.9
EPSS 0.0020
EPSS Percentile 10.3%
Attack Vector LOCAL
CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L

CISA SSVC

Vulnrichment
Exploitation none
Automatable no
Technical Impact total

Details

CWE
CWE-122
Status published
Products (8)
Red Hat/Red Hat Enterprise Linux 10
Red Hat/Red Hat Enterprise Linux 6
Red Hat/Red Hat Enterprise Linux 7
Red Hat/Red Hat Enterprise Linux 8
Red Hat/Red Hat Enterprise Linux 9
Red Hat/Red Hat Hardened Images
Red Hat/Red Hat Hardened Images 3.8.8-2.1.hum1
Red Hat/Red Hat OpenShift Container Platform 4
Published Jul 10, 2026
Tracked Since Jul 10, 2026