{"id":"PSF-2016-7","summary":"zipimporter overflow","details":"Integer overflow in the get_data function in zipimport.c in CPython (aka Python) before 2.7.12, 3.x before 3.4.5, and 3.5.x before 3.5.2 allows remote attackers to have unspecified impact via a negative data size value, which triggers a heap-based buffer overflow.","aliases":["CVE-2016-5636"],"modified":"2025-10-09T00:58:31.918135Z","published":"2016-09-02T14:00:00Z","database_specific":{"cwe_ids":[]},"references":[{"type":"REPORT","url":"https://bugs.python.org/issue26171"}],"affected":[{"ranges":[{"type":"GIT","repo":"https://github.com/python/cpython","events":[{"introduced":"0"},{"fixed":"64ea192b73e39e877d8b39ce6584fa580eb0e9b4"},{"fixed":"d751040b1a4e35fd3b01fc919cd8f9374ed714fd"}]}],"versions":["2.5","3.2","v0.9.8","v0.9.9","v1.0.1","v1.0.2","v1.1","v1.1.1","v1.2","v1.2b1","v1.2b2","v1.2b3","v1.2b4","v1.3","v1.3b1","v1.4","v1.4b1","v1.4b2","v1.4b3","v1.5","v1.5.1","v1.5.2","v1.5.2a1","v1.5.2a2","v1.5.2b1","v1.5.2b2","v1.5.2c1","v1.5a1","v1.5a2","v1.5a3","v1.5a4","v1.5b1","v1.5b2","v1.6a1","v1.6a2","v2.0","v2.0b1","v2.0b2","v2.0c1","v2.1","v2.1a1","v2.1a2","v2.1b1","v2.1b2","v2.1c1","v2.1c2","v2.2a3","v2.3c1","v2.3c2","v2.4","v2.4a1","v2.4a2","v2.4a3","v2.4b1","v2.4b2","v2.4c1","v2.5","v2.5.1","v2.5.1c1","v2.5.2","v2.5.2c1","v2.5.3","v2.5.3c1","v2.5.4","v2.5.5","v2.5.5c1","v2.5.5c2","v2.5.6","v2.5.6c1","v2.5a0","v2.5a1","v2.5a2","v2.5b1","v2.5b2","v2.5b3","v2.5c1","v2.5c2","v2.6","v2.6.1","v2.6.2","v2.6.2c1","v2.6.3","v2.6.3rc1","v2.6.4","v2.6.4rc1","v2.6.4rc2","v2.6.5","v2.6.5rc1","v2.6.5rc2","v2.6.6","v2.6.6rc1","v2.6.6rc2","v2.6.7","v2.6.8","v2.6.8rc1","v2.6.8rc2","v2.6a1","v2.6a2","v2.6a3","v2.6b1","v2.6b2","v2.6b3","v2.6rc1","v2.6rc2","v2.7","v2.7.1","v2.7.1rc1","v2.7.2","v2.7.2rc1","v2.7.3","v2.7.3rc1","v2.7.3rc2","v2.7.4rc1","v2.7a1","v2.7a2","v2.7a3","v2.7a4","v2.7b1","v2.7b2","v2.7rc1","v2.7rc2","v3.0a1","v3.0a2","v3.0a3","v3.0a4","v3.0a5","v3.0b1","v3.0b2","v3.0b3","v3.0rc1","v3.0rc2","v3.0rc3","v3.1","v3.1.1","v3.1.1rc1","v3.1.2","v3.1.2rc1","v3.1.3","v3.1.3rc1","v3.1.4","v3.1.4rc1","v3.1.5","v3.1.5rc1","v3.1.5rc2","v3.1a1","v3.1a2","v3.1b1","v3.1rc1","v3.1rc2","v3.2","v3.2.1","v3.2.1b1","v3.2.1rc1","v3.2.1rc2","v3.2.2","v3.2.2rc1","v3.2.3","v3.2.3rc1","v3.2.3rc2","v3.2.4","v3.2.4rc1","v3.2.5","v3.2.6","v3.2.6rc1","v3.2a1","v3.2a2","v3.2a3","v3.2a4","v3.2b1","v3.2b2","v3.2rc1","v3.2rc2","v3.2rc3","v3.3.0","v3.3.0a1","v3.3.0a2","v3.3.0a3","v3.3.0a4","v3.3.0b1","v3.3.0b2","v3.3.0rc1","v3.3.0rc2","v3.3.0rc3","v3.3.1","v3.3.1rc1","v3.3.2","v3.3.3","v3.3.3rc1","v3.3.3rc2","v3.3.4","v3.3.4rc1","v3.3.5","v3.3.5rc1","v3.3.5rc2","v3.3.6","v3.3.6rc1"],"database_specific":{"vanir_signatures":[{"deprecated":false,"signature_version":"v1","target":{"function":"get_data","file":"Modules/zipimport.c"},"source":"https://github.com/python/cpython/commit/d751040b1a4e35fd3b01fc919cd8f9374ed714fd","id":"PSF-2016-7-07eb1964","signature_type":"Function","digest":{"length":1980,"function_hash":"313645478689508232317534734015673937870"}},{"deprecated":false,"signature_version":"v1","target":{"file":"Modules/zipimport.c"},"source":"https://github.com/python/cpython/commit/d751040b1a4e35fd3b01fc919cd8f9374ed714fd","id":"PSF-2016-7-3084b8eb","signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["141314266699022732687104474145858926350","58932469579152330604121716034541420257","293715085738001166973387474142203612408"]}},{"deprecated":false,"signature_version":"v1","target":{"file":"Modules/zipimport.c"},"source":"https://github.com/python/cpython/commit/64ea192b73e39e877d8b39ce6584fa580eb0e9b4","id":"PSF-2016-7-7551afbf","signature_type":"Line","digest":{"threshold":0.9,"line_hashes":["167474003122500294144509576708096792733","51597762786976815965554609765896405356","305550384080879515257579669516704359939"]}},{"deprecated":false,"signature_version":"v1","target":{"function":"get_data","file":"Modules/zipimport.c"},"source":"https://github.com/python/cpython/commit/64ea192b73e39e877d8b39ce6584fa580eb0e9b4","id":"PSF-2016-7-e9c42eae","signature_type":"Function","digest":{"length":1880,"function_hash":"298246660755263030412569911436894744812"}}],"source":"https://github.com/psf/advisory-database/blob/main/advisories/python/PSF-2016-7.json"}}],"schema_version":"1.7.3"}