CVE-2015-7181

Name of the Vulnerable Software and Affected Versions Mozilla Network Security Services (NSS) versions prior to 3.19.2.1 Mozilla Network Security Services (NSS) versions 3.20.x prior to 3.20.1 Firefox versions prior to 42.0 Firefox ESR 38.x versions prior to 38.4

Description The issue is related to the sec asn1d parse leaf function, which improperly restricts access to a data structure. This can be exploited by remote attackers using crafted OCTET STRING data, potentially leading to a denial of service or execution of arbitrary code. The problem is described as a "use-after-poison" issue and is also related to a buffer overflow.

Recommendations For Mozilla Network Security Services (NSS) versions prior to 3.19.2.1, update to version 3.19.2.1 or later. For Mozilla Network Security Services (NSS) versions 3.20.x prior to 3.20.1, update to version 3.20.1 or later. For Firefox versions prior to 42.0, update to version 42.0 or later. For Firefox ESR 38.x versions prior to 38.4, update to version 38.4 or later.