Back
CVE-2016-5636
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…
Critical9.8EPSS 25.5%
- Published
- Updated
- Reserved
- Assigned by
- mitre
Description
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.
Scores
| Scored by | CVSS | Score | Vector |
|---|---|---|---|
| NVDNVD · Modified | 3.0 | Critical9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |
- EPSS (exploitation in 30 days)
- 25.5% · top 2.0% of all CVEs (2 Nov 2026)
Loading the EPSS history…
The list uses the assigner's score when there is one, then CISA's, then NVD's: Critical 9.8.
Weakness
Affected products
n/a
- affected n/a
References (15)
- http://www.splunk.com/view/SP-CAAAPUE (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160616 Re: CVE Request: heap overflow in Python zipimport module (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- http://www.splunk.com/view/SP-CAAAPSV (opens in a new tab)x_refsource_CONFIRMx_transferred
- [debian-lts-announce] 20190207 [SECURITY] [DLA 1663-1] python3.4 security update (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5 (opens in a new tab)x_refsource_CONFIRMx_transferred
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://bugs.python.org/issue26171 (opens in a new tab)x_refsource_CONFIRMx_transferred
- https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS (opens in a new tab)x_refsource_CONFIRMx_transferred
- 1038138 (opens in a new tab)vdb-entryx_refsource_SECTRACKx_transferred
- 91247 (opens in a new tab)vdb-entryx_refsource_BIDx_transferred
- GLSA-201701-18 (opens in a new tab)vendor-advisoryx_refsource_GENTOOx_transferred
- https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2 (opens in a new tab)x_refsource_CONFIRMx_transferred
- [oss-security] 20160615 CVE Request: heap overflow in Python zipimport module (opens in a new tab)mailing-listx_refsource_MLISTx_transferred
- RHSA-2016:2586 (opens in a new tab)vendor-advisoryx_refsource_REDHATx_transferred
- openSUSE-SU-2020:0086 (opens in a new tab)vendor-advisoryx_refsource_SUSEx_transferred
Sources
The same CVE in the primary databases and aggregators, to check against.
- CVE.org record (opens in a new tab)
- CVE List JSON (GitHub) (opens in a new tab)
- NVD (opens in a new tab)
- FIRST EPSS (opens in a new tab)
- OSV.dev (opens in a new tab)
- GitHub Advisories (opens in a new tab)
- CIRCL Vulnerability-Lookup (opens in a new tab)
Record last updated .