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CVE-2026-111273

6.9 medium SSVC exploitation: poc Deferred
NVD · CVE.org

unarr through 1.1.1 contains an off-by-one heap-based buffer overflow in tar_get_name() in tar/parse-tar.c, reachable through the ar_entry_get_name() API. Attackers can supply a crafted TAR archive with a full ustar prefix and name to write a NUL byte past the allocation, corrupting heap memory and crashing the process.

Fix

Nothing published yet: no patch, vendor advisory or mitigation reference on NVD, no vendor advisory in the News for this CVE, not in CISA's KEV, no fixed package version. BaselineWatch does not guess at one.

Change history 3

  1. References+1 references (now 5)NVD modified 2026-10-16 20:17
  2. StatusReceived → DeferredNVD modified 2026-10-16 20:17
  3. First seenCVSS 6.9NVD modified 2026-10-15 22:19

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5