CVE-2016-7544

Publication date 30 January 2017

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

Crypto++ 5.6.4 incorrectly uses Microsoft's stack-based _malloca and _freea functions. The library will request a block of memory to align a table in memory. If the table is later reallocated, then the wrong pointer could be freed.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
libcrypto++	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected

Notes

ratliff

Debian note says "Vulnerable code intorduced in 5.6.4" Debian note says "only affects Windows and Microsoft compilers"

Severity score breakdown

CVSS version: CVSS v3.0

Base score 7.5 · High

Base metrics

Parameter	Value
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality impact	None
Integrity impact	None
Availability impact	High

Scores

Parameter	Value
Base score	7.5 · High
Exploitability score	-
Impact score	-

Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H