CVE-2015-6525 Information

Description

Multiple integer overflows in the evbuffer API in Libevent 2.0.x before 2.0.22 and 2.1.x before 2.1.5-beta allow context-dependent attackers to cause a denial of service or possibly have other unspecified impact via \insanely large inputs\ to the (1) evbuffer_add (2) evbuffer_prepend (3) evbuffer_expand (4) exbuffer_reserve_space or (5) evbuffer_read function which triggers a heap-based buffer overflow or an infinite loop. NOTE: this identifier was SPLIT from CVE-2014-6272 per ADT3 due to different affected versions.

Reference

http://archives.seul.org/libevent/users/Jan-2015/msg00010.html http://www.debian.org/security/2015/dsa-3119