CVE-2016-3995

Name	CVE-2016-3995
Description	The timing attack protection in Rijndael::Enc::ProcessAndXorBlock and Rijndael::Dec::ProcessAndXorBlock in Crypto++ (aka cryptopp) before 5.6.4 may be optimized out by the compiler, which allows attackers to conduct timing attacks.
Source	CVE (at NVD; CERT, LWN, oss-sec, fulldisc, bugtraq, EDB, Metasploit, Red Hat, Ubuntu, Gentoo, SUSE bugzilla/CVE, Mageia, GitHub advisories/code/issues, web search, more)

Vulnerable and fixed packages

The table below lists information on source packages.

Source Package	Release	Version	Status
libcrypto++ (PTS)	buster	5.6.4-8	fixed
	bullseye	8.4.0-1	fixed
	bookworm, sid	8.7.0+git220824-1	fixed

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

Package	Type	Release	Fixed Version
libcrypto++	source	wheezy	5.6.1-6+deb7u2
libcrypto++	source	jessie	5.6.1-6+deb8u2
libcrypto++	source	(unstable)	5.6.3-6

https://github.com/weidai11/cryptopp/issues/146
https://www.openwall.com/lists/oss-security/2016/04/10/6
Initial upload in 5.6.3-5 was incomplete