CVE-2013-7338

no score yetEPSS 5.1%

Python before 3.3.4 RC1 allows remote attackers to cause a denial of service (infinite loop and CPU consumption) via a file size value larger than the size of the zip file to the (1) ZipExtFile.read, (2) ZipExtFile.read(n), (3) ZipExtFile.readlines, (4) ZipFile.extract, or (5) ZipFile.extractall function.

EPSS: 5.1% chance of exploitation in the next 30 days; higher than 92% of CVEs (scores of 2026-10-31)
CWE: CWE-20
Published: 2014-04-22
Modified: 2026-06-17
Record from: the NVD, synced 2026-10-19

Affected

apple:mac_os_x
python:python

References

http://bugs.python.org/issue20078
http://hg.python.org/cpython/rev/79ea4ce431b1
http://lists.apple.com/archives/security-announce/2015/Aug/msg00001.html
http://lists.opensuse.org/opensuse-updates/2014-05/msg00008.html
http://seclists.org/oss-sec/2014/q1/592

Check your stack JSON