critical
CVE-2016-5636
python: Heap overflow in zipimporter module
In the Trivy database since at least 24 Oct 2026, 07:11 UTCWhen it arrived before that build is not recorded.
Severity by source
NVD9.8CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Red Hat4.5CVSS:3.0/AV:L/AC:H/PR:L/UI:N/S:U/C:L/I:L/A:L
Trivy's own label is CRITICAL. Rated critical by NVD. Rated lower by Amazon (medium), Ubuntu (medium), Red Hat (low), Oracle (low).
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.
Affected packages and fixed versions
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 1 | python26, python26-debuginfo, python26-devel and 15 more | 2.6.9-2.86.amzn1 and 2 more |
| debian 11 | python2.7 | 2.7.12~rc1-1 |
| debian 7 | python2.7 | 2.7.3-6+deb7u3 |
| debian 8 | python2.7, python3.4 | 2.7.9-2+deb8u1 and 1 more |
| Oracle Linux 7 | python, python-debug, python-devel and 4 more | 2.7.5-48.0.1.el7 |
| rapidfort fedora 43 | python3.15, python3.15-debug, python3.15-devel and 11 more | 3.15.0-1.fc43 |
| Red Hat | python, python-devel, python-libs and 31 more | no fix listed |
| seal Red Hat 7 | python, seal-python | 2.7.5-92.el7_9+sp999 |
| ubuntu 12.04 | python2.7, python3.2 | 2.7.3-0ubuntu3.9 and 1 more |
| ubuntu 14.04 | python2.7, python3.4, python3.5 | 2.7.6-8ubuntu0.3 and 2 more |
| ubuntu 14.04-ESM | python2.7, python3.4, python3.5 | 2.7.6-8ubuntu0.3 and 2 more |
| ubuntu 16.04 | python2.7, python3.5 | 2.7.12-1ubuntu0~16.04.1 and 1 more |
Show all 91 entries from 13 sources
| Source | Package | Fixed in |
|---|---|---|
| amazon linux 1 | python26 | 2.6.9-2.86.amzn1 |
| amazon linux 1 | python26-debuginfo | 2.6.9-2.86.amzn1 |
| amazon linux 1 | python26-devel | 2.6.9-2.86.amzn1 |
| amazon linux 1 | python26-libs | 2.6.9-2.86.amzn1 |
| amazon linux 1 | python26-test | 2.6.9-2.86.amzn1 |
| amazon linux 1 | python26-tools | 2.6.9-2.86.amzn1 |
| amazon linux 1 | python27 | 2.7.10-4.122.amzn1 |
| amazon linux 1 | python27-debuginfo | 2.7.10-4.122.amzn1 |
| amazon linux 1 | python27-devel | 2.7.10-4.122.amzn1 |
| amazon linux 1 | python27-libs | 2.7.10-4.122.amzn1 |
| amazon linux 1 | python27-test | 2.7.10-4.122.amzn1 |
| amazon linux 1 | python27-tools | 2.7.10-4.122.amzn1 |
| amazon linux 1 | python34 | 3.4.3-1.32.amzn1 |
| amazon linux 1 | python34-debuginfo | 3.4.3-1.32.amzn1 |
| amazon linux 1 | python34-devel | 3.4.3-1.32.amzn1 |
| amazon linux 1 | python34-libs | 3.4.3-1.32.amzn1 |
| amazon linux 1 | python34-test | 3.4.3-1.32.amzn1 |
| amazon linux 1 | python34-tools | 3.4.3-1.32.amzn1 |
| debian 11 | python2.7 | 2.7.12~rc1-1 |
| debian 7 | python2.7 | 2.7.3-6+deb7u3 |
| debian 8 | python2.7 | 2.7.9-2+deb8u1 |
| debian 8 | python3.4 | 3.4.2-1+deb8u2 |
| Oracle Linux 7 | python | 2.7.5-48.0.1.el7 |
| Oracle Linux 7 | python-debug | 2.7.5-48.0.1.el7 |
| Oracle Linux 7 | python-devel | 2.7.5-48.0.1.el7 |
| Oracle Linux 7 | python-libs | 2.7.5-48.0.1.el7 |
| Oracle Linux 7 | python-test | 2.7.5-48.0.1.el7 |
| Oracle Linux 7 | python-tools | 2.7.5-48.0.1.el7 |
| Oracle Linux 7 | tkinter | 2.7.5-48.0.1.el7 |
| rapidfort fedora 43 | python3.15 | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-debug | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-devel | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading-debug | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading-devel | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading-idle | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading-libs | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading-test | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-freethreading-tkinter | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-idle | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-libs | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-test | 3.15.0-1.fc43 |
| rapidfort fedora 43 | python3.15-tkinter | 3.15.0-1.fc43 |
| Red Hat | python | no fix listed |
| Red Hat | python-devel | no fix listed |
| Red Hat | python-libs | no fix listed |
| Red Hat | python-test | no fix listed |
| Red Hat | python-tools | no fix listed |
| Red Hat | python27-python | no fix listed |
| Red Hat | python27-python-debug | no fix listed |
| Red Hat | python27-python-devel | no fix listed |
| Red Hat | python27-python-libs | no fix listed |
| Red Hat | python27-python-test | no fix listed |
| Red Hat | python27-python-tools | no fix listed |
| Red Hat | python27-tkinter | no fix listed |
| Red Hat | python33-python | no fix listed |
| Red Hat | python33-python-debug | no fix listed |
| Red Hat | python33-python-devel | no fix listed |
| Red Hat | python33-python-libs | no fix listed |
| Red Hat | python33-python-test | no fix listed |
| Red Hat | python33-python-tkinter | no fix listed |
| Red Hat | python33-python-tools | no fix listed |
| Red Hat | rh-python34-python | no fix listed |
| Red Hat | rh-python34-python-debug | no fix listed |
| Red Hat | rh-python34-python-devel | no fix listed |
| Red Hat | rh-python34-python-libs | no fix listed |
| Red Hat | rh-python34-python-test | no fix listed |
| Red Hat | rh-python34-python-tkinter | no fix listed |
| Red Hat | rh-python34-python-tools | no fix listed |
| Red Hat | rh-python35-python | no fix listed |
| Red Hat | rh-python35-python-debug | no fix listed |
| Red Hat | rh-python35-python-devel | no fix listed |
| Red Hat | rh-python35-python-libs | no fix listed |
| Red Hat | rh-python35-python-test | no fix listed |
| Red Hat | rh-python35-python-tkinter | no fix listed |
| Red Hat | rh-python35-python-tools | no fix listed |
| Red Hat | tkinter | no fix listed |
| seal Red Hat 7 | python | 2.7.5-92.el7_9+sp999 |
| seal Red Hat 7 | seal-python | 2.7.5-92.el7_9+sp999 |
| ubuntu 12.04 | python2.7 | 2.7.3-0ubuntu3.9 |
| ubuntu 12.04 | python3.2 | 3.2.3-0ubuntu3.8 |
| ubuntu 14.04 | python2.7 | 2.7.6-8ubuntu0.3 |
| ubuntu 14.04 | python3.4 | 3.4.3-1ubuntu1~14.04.5 |
| ubuntu 14.04 | python3.5 | 3.5.2-2ubuntu0~16.04.4~14.04.1 |
| ubuntu 14.04-ESM | python2.7 | 2.7.6-8ubuntu0.3 |
| ubuntu 14.04-ESM | python3.4 | 3.4.3-1ubuntu1~14.04.5 |
| ubuntu 14.04-ESM | python3.5 | 3.5.2-2ubuntu0~16.04.4~14.04.1 |
| ubuntu 16.04 | python2.7 | 2.7.12-1ubuntu0~16.04.1 |
| ubuntu 16.04 | python3.5 | 3.5.2-2ubuntu0~16.04.1 |
| ubuntu 16.04-ESM | python2.7 | 2.7.12-1ubuntu0~16.04.1 |
| ubuntu 16.04-ESM | python3.5 | 3.5.2-2ubuntu0~16.04.1 |
References
- http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
- http://rhn.redhat.com/errata/RHSA-2016-2586.html
- http://www.openwall.com/lists/oss-security/2016/06/15/15
- http://www.openwall.com/lists/oss-security/2016/06/16/1
- http://www.oracle.com/technetwork/topics/security/bulletinjul2016-3090568.html
- http://www.securityfocus.com/bid/91247
- http://www.securitytracker.com/id/1038138
- http://www.splunk.com/view/SP-CAAAPSV
All 22 references
- http://www.splunk.com/view/SP-CAAAPUE
- https://access.redhat.com/security/cve/CVE-2016-5636
- https://bugs.python.org/issue26171
- https://bugs.python.org/msg278228
- https://docs.python.org/3.4/whatsnew/changelog.html#python-3-4-5
- https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-2
- https://hg.python.org/cpython/raw-file/v2.7.12/Misc/NEWS
- https://linux.oracle.com/cve/CVE-2016-5636.html
- https://linux.oracle.com/errata/ELSA-2016-2586.html
- https://lists.debian.org/debian-lts-announce/2019/02/msg00011.html
- https://nvd.nist.gov/vuln/detail/CVE-2016-5636
- https://security.gentoo.org/glsa/201701-18
- https://ubuntu.com/security/notices/USN-3134-1
- https://www.cve.org/CVERecord?id=CVE-2016-5636