CVE-2026-15028

lowCVSS 3.9covered by 1 sourcefirst seen 2026-07-10

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.

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Exploitation outlook

Low exploitation risk0.29% 30-day exploitation probability — currently an unlikely target, but scores change as exploit code circulates. Riskier than 20% of all EPSS-scored CVEs.

Advisory coverage (1)

lowCVE-2026-15028: A flaw was found in libarchive. This vulnerability allows a remote attacker to trigger a heap …nvd · 2026-07-10

External references

NVD record for CVE-2026-15028

CVE.org record

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