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        "state": "PUBLISHED",
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        "dateReserved": "2026-07-08T07:04:37.243Z",
        "datePublished": "2026-07-10T09:55:49.895Z",
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            "title": "Libarchive: heap overflow oob read while parsing a tar archive contains a pax extended header",
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                        "attackVector": "LOCAL",
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                        "baseScore": 3.9,
                        "baseSeverity": "LOW",
                        "confidentialityImpact": "LOW",
                        "integrityImpact": "NONE",
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                        "scope": "UNCHANGED",
                        "userInteraction": "REQUIRED",
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                    "value": "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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                {
                    "url": "https://access.redhat.com/errata/RHSA-2026:38279",
                    "name": "RHSA-2026:38279",
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                    "name": "RHSA-2026:69553",
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                {
                    "url": "https://github.com/libarchive/libarchive/issues/3251"
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                {
                    "url": "https://github.com/libarchive/libarchive/pull/3253"
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            "datePublic": "2026-07-08T10:10:00.000Z",
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                        {
                            "cweId": "CWE-805",
                            "description": "Buffer Access with Incorrect Length Value",
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            "workarounds": [
                {
                    "lang": "en",
                    "value": "To mitigate this issue, avoid processing untrusted or unverified tar archives. Users should exercise caution when handling archives from unknown sources or those with unexpected content, as processing a specially crafted archive could trigger the vulnerability."
                }
            ],
            "timeline": [
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                    "lang": "en",
                    "time": "2026-07-08T00:00:00.000Z",
                    "value": "Reported to Red Hat."
                },
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                    "time": "2026-07-08T10:10:00.000Z",
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                                "type": "CWE",
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