Buffer overflow in Maradns

CVE-2011-0520

The compress_add_dlabel_points function in dns/Compress.c in MaraDNS 1.4.03, 1.4.05, and probably other versions allows remote attackers to cause a denial of service (segmentation fault) and possibly execute arbitrary code via a long DNS hostname with a large number of labels, which triggers a heap-based buffer overflow.

Vulnerability class: Buffer Overflow

EPSS: 0.052 (91.6th percentile) — read the EPSS interpretation.