Threats Tagged 'cve-2026-54417'
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Threats Tagged 'cve-2026-54417'
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CVE-2026-54417: CWE-190 Integer Overflow or Wraparound in rxi microtarCVE-2026-54417 0 An integer overflow in the mtar_next() function in src/microtar.c in rxi microtar 0.1.0 allows a remote attacker to cause a denial of service (uncontrolled CPU consumption / infinite loop) via a crafted tar archive. mtar_next() computes the offset to the next record as round_up(h.size, 512) + sizeof(mtar_raw_header_t) using 32-bit arithmetic. When the header size field is a multiple of 512 in the range 0xFFFFFC01-0xFFFFFE00 (e.g. 0xFFFFFE00), the addition wraps to 0, so mtar_next() seeks to the current record position instead of advancing. As a result, mtar_find() and any loop that iterates entries with mtar_next() repeat indefinitely over the same record, hanging the process at 100% CPU with no recovery. Join the discussion | CVE Database V5 | 06/17/2026, 13:25:54 UTC Added: 06/17/2026, 14:01:06 UTC |
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