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CVE-2013-7040 PUBLISHED

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.

EPSS 0.72% · 72.4th percentile

Risk Scores

EPSS Score
0.72%
72.4th percentile

Affected Products

VendorProductVersions
GCPcompute
Oracle Cloudcompute
Ubuntu:Pro:14.04:LTSpython2.72.7.5-8ubuntu4, 2.7.6-2, 2.7.6-2ubuntu1

Timeline

References

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