CVE-2015-6525

Name	CVE-2015-6525
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.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, GitHub advisories/code/issues, web search, more)
References	DSA-3119-1

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libevent (PTS)	buster	2.1.8-stable-4	fixed
	bullseye	2.1.12-stable-1	fixed
	trixie, bookworm	2.1.12-stable-8	fixed
	sid	2.1.12-stable-8.1	fixed

The information below is based on the following data on fixed versions.

Package	Type	Release	Fixed Version	Origin
libevent	source	squeeze	(not affected)
libevent	source	wheezy	2.0.19-stable-3+deb7u1	DSA-3119-1
libevent	source	(unstable)	2.0.21-stable-2

[squeeze] - libevent <not-affected> (Only for issues in 2.0.x and 2.1.x)
Split from CVE-2014-6272