{"id":"CVE-2026-15028","title":"A flaw was found in libarchive","summary":"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.…","severity":"low","cvss":3.9,"cvssVector":"CVSS:3.1/AV:L/AC:L/PR:L/UI:R/S:U/C:L/I:N/A:L","cwe":["CWE-805","CWE-122"],"vendor":"Red Hat","product":"libarchive","affected":["libarchive (all versions)","libarchive-main (all versions)","libarchive","libarchive","libarchive","libarchive (all versions)","openshift/ose-rhel-coreos-9 (all versions)"],"patched":["hardened_images"],"published":"2026-07-10","updated":"2026-09-22","sourceUpdated":"2026-09-22T00:16:31.827","source":"NVD","sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-15028","references":[{"url":"https://access.redhat.com/errata/RHSA-2026:38279","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/errata/RHSA-2026:69553","label":"secalert@redhat.com"},{"url":"https://access.redhat.com/security/cve/CVE-2026-15028","label":"secalert@redhat.com"},{"url":"https://bugzilla.redhat.com/show_bug.cgi?id=2497970","label":"secalert@redhat.com"},{"url":"https://github.com/libarchive/libarchive/issues/3251","label":"secalert@redhat.com"},{"url":"https://github.com/libarchive/libarchive/pull/3253","label":"secalert@redhat.com"},{"url":"https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-15028.json"},{"url":"https://www.cve.org/CVERecord?id=CVE-2026-15028"},{"url":"https://nvd.nist.gov/vuln/detail/CVE-2026-15028"}],"tags":["nvd","cve.org","csaf","vex","red-hat"],"ssvc":{"exploitation":"none","automatable":"no","technicalImpact":"total","timestamp":"2026-07-11T03:55:16.953417Z"},"epss":0.00203,"epssPercentile":0.10557,"ingestedAt":"2026-07-11T20:15:25.985Z","slug":"CVE-2026-15028","body":"## Overview\n\nA 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.\n\n## Remediation\n\nRefer to the linked advisories for vendor-supplied fixes and affected version ranges.\n\n## Vendor advisories\n\n- **RHSA-2026:38279** · Red Hat · fixed in: Red Hat Hardened Images · released 2026-07-12 · [advisory](https://access.redhat.com/errata/RHSA-2026:38279)\n- **Red Hat VEX** · Moderate · affected: Red Hat Enterprise Linux 10, Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4 · no fix planned: Red Hat Enterprise Linux 6, Red Hat Enterprise Linux 7, Red Hat Enterprise Linux 9, Red Hat OpenShift Container Platform 4, … · updated 2026-09-18 · [vex](https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-15028.json)","depth":"sunlit","depthScore":21,"depthScoreParts":{"impact":21.5,"likelihood":0,"exploitation":0,"ransomware":0},"changes":[]}