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CVE-2026-15028

3.9 · LOW

A flaw was found in libarchive.

Published Jul 10, 2026CWE-805EPSS 0.20%

Overview

CVE-2026-15028 is a low-severity vulnerability. It was published on July 10, 2026 and has a CVSS 3.1 base score of 3.9 (LOW).

This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

Technical 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.

Remediation

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

References

Refaccess.redhat.com/errata/RHSA-2026:38279Refaccess.redhat.com/security/cve/CVE-2026-15028Refbugzilla.redhat.com/show_bug.cgi?id=2497970GitHubgithub.com/libarchive/libarchive/issues/3251GitHubgithub.com/libarchive/libarchive/pull/3253

How CyberStrike helps

Frequently asked questions

What is CVE-2026-15028?

CVE-2026-15028 is a low-severity vulnerability. It was published on July 10, 2026 and has a CVSS 3.1 base score of 3.9 (LOW).

How severe is CVE-2026-15028?

This vulnerability has a CVSS 3.1 base score of 3.9, rated LOW. It requires local or adjacent network access to exploit. Some level of privileges is required for exploitation.

How do I fix or remediate CVE-2026-15028?

Check the references section for vendor advisories, patches, and mitigation guidance. If immediate patching is not possible, review the CVSS vector to understand the attack surface and apply compensating controls such as network segmentation or access restrictions.

How can CyberStrike help with CVE-2026-15028?

CyberStrike is an open-source, AI-augmented pentesting engine. Rather than flag a version number, it tests whether an issue like CVE-2026-15028 is actually reachable in your own applications and APIs, then verifies each finding before reporting it. That tells you if the weakness is a real, exploitable risk in your environment or a false positive you can safely deprioritize.

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