CVE-2013-7040 SUSE CVE security@suse.de SUSE Security Team SUSE CVE-2013-7040 Interim 1 18 2025-11-05T05:15:08Z current 2021-05-30T13:16:43Z 2025-11-05T05:15:08Z cve-database/bin/generate-cvrf-cve.pl 2020-12-27T01:00:00Z CVE-2013-7040 Python 2.7 before 3.4 only uses the last eight bits of the prefix to randomize hash values, which causes it to compute hash values without restricting the ability to trigger hash collisions predictably and makes it easier for context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1150. The CVRF data is provided by SUSE under the Creative Commons License 4.0 with Attribution (CC-BY-4.0). https://www.suse.com/support/security/rating/ SUSE Security Ratings SUSE Linux Enterprise Server 11 SP1 for Teradata SUSE Linux Enterprise Server 11 SP3 for Teradata python python as a component of SUSE Linux Enterprise Server 11 SP1 for Teradata python as a component of SUSE Linux Enterprise Server 11 SP3 for Teradata Python 2.7 before 3.4 only uses the last eight bits of the prefix to randomize hash values, which causes it to compute hash values without restricting the ability to trigger hash collisions predictably and makes it easier for context-dependent attackers to cause a denial of service (CPU consumption) via crafted input to an application that maintains a hash table. NOTE: this vulnerability exists because of an incomplete fix for CVE-2012-1150. CVE-2013-7040 moderate 4.3 AV:N/AC:M/Au:N/C:N/I:N/A:P