CVE-2026-112273 — libtins through 4.6 Heap Out-of-Bounds Read via DNS::compose_name
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…
Published: 2026-10-19 · CVSS: 6.9 · CVSS 4.0
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.
Source: CVE Program · Revision 8b16575c39f1e1810c5e863010da073d2d3285e7