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CVE-2026-112273

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

libtins through 4.6 contains a heap out-of-bounds read vulnerability in DNS::compose_name in src/dns.cpp that allows remote attackers to read past the packet buffer by sending a label ending exactly at the packet end. Attackers can deliver crafted DNS packets whose additional, answer, or authority records trigger a one-byte read when parsed, crashing applications on hardened allocators.

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 2026-10-22 03:16
  2. StatusReceived → DeferredNVD modified 2026-10-19 21:14
  3. First seenCVSS 6.9NVD modified 2026-10-19 14:17

Affected (CPE criteria) 0

NVD has not attached CPE configurations yet.

References 5