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CVE PROGRAM SOURCE RECORD8.7 High

CVE-2026-54417

Integer Overflow in rxi/microtar mtar_next() Causes Infinite Loop DoS

Description

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.

Affected products

Version statuses are supplied by the assigning organization. Consult the original record for detailed ranges and platform conditions.

rxi microtar

Default version status: affected

  • 0.1.0affected

References