CVE-2016-7052

Publication date 26 September 2016

Last updated 25 August 2025

Ubuntu priority

Cvss 3 Severity Score

Description

crypto/x509/x509_vfy.c in OpenSSL 1.0.2i allows remote attackers to cause a denial of service (NULL pointer dereference and application crash) by triggering a CRL operation.

Read the notes from the security team

Status

Show unmaintained releases

Package	Ubuntu Release	Status
openssl	16.04 LTS xenial	Not affected
	14.04 LTS trusty	Not affected
	12.04 LTS precise	Not affected
openssl098	16.04 LTS xenial	Not in release
	14.04 LTS trusty	Not in release
	12.04 LTS precise	Not affected

Notes

mdeslaur

1.0.2i only, was introduced by https://git.openssl.org/?p=openssl.git;a=commit;h=325da8231c8d441e6bb7f15d1a5a23ff63c842e5

Severity score breakdown

Parameter	Value
Base score	7.5 · High
Attack vector	Network
Attack complexity	Low
Privileges required	None
User interaction	None
Scope	Unchanged
Confidentiality	None
Integrity impact	None
Availability impact	High
Vector	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H