Low 3.9Published Jul 10, 2026

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

Updated under an hour ago (Oct 26, 2026, 1:00 PM ET)

Does this affect you?

It affects Red Hat Enterprise Linux 10 and 3 other products. Add what you run to find out whether that includes you.

No exploitation reported and no EPSS estimate yet.

Do this next

Start free and add your stack

Free account, 1 product

Every CVE for Red Hat Enterprise Linux 10

Exploited in the last 30 days

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.

CVSS: 3.9 LOW (v3.1, CNA)CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L
Weakness (CWE): CWE-805, CWE-122
Known exploited: Not in CISA's KEV catalog
EPSS (exploitation in the next 30 days): Not loaded for this CVE
Assigned by: redhat
NVD analysis: Awaiting Analysis
Record last updated: Oct 8, 2026
First seen by InfoSec Signals: Oct 9, 2026

Affected products

Affected products

Red Hat Red Hat Enterprise Linux 10 redhat:enterprise_linux	from 0:3.7.7-11.el10_2 not affected	CNA record
Red Hat Red Hat Cost Management On-Premise 1 redhat:cost_management_on_premise	from 1791460851 not affected	CNA record
Red Hat Red Hat Hardened Images redhat:hummingbird	from 3.8.8-2.1.hum1 not affected	CNA record
Red Hat Red Hat OpenShift Container Platform 4 redhat:openshift	4	CNA record

References

References

https://access.redhat.com/errata/RHSA-2026:38279	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:69553	vendor-advisory, x-refsource-redhat
https://access.redhat.com/errata/RHSA-2026:79357	vendor-advisory, x-refsource-redhat
https://access.redhat.com/security/cve/CVE-2026-15028	vdb-entry, x-refsource-redhat
https://bugzilla.redhat.com/show_bug.cgi?id=2497970	issue-tracking, x-refsource-redhat
https://github.com/libarchive/libarchive/issues/3251
https://github.com/libarchive/libarchive/pull/3253

The CVE record on cve.org NVD's entry

The CVE record is authoritative. Products marked “from the name” were identified from the CNA's free-text names, not a CPE, and are matched less certainly. This product uses the NVD API but is not endorsed or certified by the NVD.