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CVE-2018-1061 Details

Description

python before versions 2.7.15, 3.4.9, 3.5.6rc1, 3.6.5rc1 and 3.7.0 is vulnerable to catastrophic backtracking in the difflib.IS_LINE_JUNK method. An attacker could use this flaw to cause denial of service.

Metrics

CVSS 3.x Severity and Vector Strings:

NIST: [email protected]CVSS-B:7.5 HIGHVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:N/I:N/A:H

CNA: [email protected]CVSS-B:6.5 MEDIUMVector:CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H

References to Advisories, Solutions, and Tools

By selecting these links, you will be leaving this site. These are references gathered from the official CVE record and are not endorsed by Volerion.

URL	Source(s)	Tag(s)
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html	CVE
https://access.redhat.com/errata/RHBA-2019:0327	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3041	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505	CVE	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1260	CVE
https://access.redhat.com/errata/RHSA-2019:3725	CVE
https://bugs.python.org/issue32981	CVE	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061	CVE	Issue Tracking
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1	CVE	Vendor Advisory
https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1	CVE	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html	CVE	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html	CVE	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/	CVE
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/	CVE
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us	CVE
https://usn.ubuntu.com/3817-1/	CVE	Third Party Advisory
https://usn.ubuntu.com/3817-2/	CVE	Third Party Advisory
https://www.debian.org/security/2018/dsa-4306	CVE	Third Party Advisory
https://www.debian.org/security/2018/dsa-4307	CVE	Third Party Advisory
http://www.securitytracker.com/id/1042001	CVE	Third Party AdvisoryVDB Entry
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html	[email protected]
https://access.redhat.com/errata/RHBA-2019:0327	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3041	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2018:3505	[email protected]	Third Party Advisory
https://access.redhat.com/errata/RHSA-2019:1260	[email protected]
https://access.redhat.com/errata/RHSA-2019:3725	[email protected]
https://bugs.python.org/issue32981	[email protected]	Vendor Advisory
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061	[email protected]	Issue Tracking
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1	[email protected]	Vendor Advisory
https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1	[email protected]	Vendor Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html	[email protected]	Mailing ListThird Party Advisory
https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html	[email protected]	Mailing ListThird Party Advisory
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/	[email protected]
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/	[email protected]
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us	[email protected]
https://usn.ubuntu.com/3817-1/	[email protected]	Third Party Advisory
https://usn.ubuntu.com/3817-2/	[email protected]	Third Party Advisory
https://www.debian.org/security/2018/dsa-4306	[email protected]	Third Party Advisory
https://www.debian.org/security/2018/dsa-4307	[email protected]	Third Party Advisory
http://www.securitytracker.com/id/1042001	[email protected]	Third Party AdvisoryVDB Entry

see all 42 references

Weakness Enumeration

CWE-ID	CWE Name	Source
NVD-CWE-noinfo	Insufficient Information to Classify Weakness	[email protected]
CWE-20	Improper Input Validation	[email protected]

Affected Products

Product	Versions
python python	< 2.7.15 >= 3.0, < 3.4.9 >= 3.5.0, <= 3.5.5 >= 3.6, <= 3.6.4 3.7.0 alpha1
CPE cpe:2.3:a:python:python:::::::: cpe:2.3:a:python:python:3.7.0:alpha1:::::: cpe:2.3:a:python:python:3.7.0:alpha2:::::: cpe:2.3:a:python:python:3.7.0:alpha3:::::: cpe:2.3:a:python:python:3.7.0:alpha4:::::: cpe:2.3:a:python:python:3.7.0:beta1:::::: cpe:2.3:a:python:python:3.7.0:beta2:::::: cpe:2.3:a:python:python:3.7.0:beta3:::::: cpe:2.3:a:python:python:3.7.0:beta4:::::: cpe:2.3:a:python:python:3.7.0:beta5:::::: cpe:2.3:a:python:python:3.7.0:rc1:::::: Remediation No remediation found in references.
debian debian linux	8.0 9.0
CPE cpe:2.3:o:debian:debian_linux:8.0:::::::* cpe:2.3:o:debian:debian_linux:9.0:::::::* Remediation No remediation found in references.
redhat ansible tower	3.3
CPE cpe:2.3:a:redhat:ansible_tower:3.3:::::::* Remediation No remediation found in references.
redhat enterprise linux desktop	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_desktop:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux server	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_server:7.0:::::::* Remediation No remediation found in references.
redhat enterprise linux workstation	7.0
CPE cpe:2.3:o:redhat:enterprise_linux_workstation:7.0:::::::* Remediation No remediation found in references.
canonical ubuntu linux	12.04 14.04 16.04 18.04
CPE cpe:2.3:o:canonical:ubuntu_linux:12.04::::esm::: cpe:2.3:o:canonical:ubuntu_linux:14.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:16.04::::lts::: cpe:2.3:o:canonical:ubuntu_linux:18.04::::lts::: Remediation No remediation found in references.
fedoraproject fedora	28 29 30
CPE cpe:2.3:o:fedoraproject:fedora:28:::::::* cpe:2.3:o:fedoraproject:fedora:29:::::::* cpe:2.3:o:fedoraproject:fedora:30:::::::* Remediation No remediation found in references.

Change History

27 change records found show changes

Date	Action	Recorded By
Jun 17, 2026	CVE Modified	[email protected]
Nov 21, 2024	CVE Modified	CVE
May 14, 2024	CVE Modified	[email protected]
Nov 7, 2023	CVE Modified	[email protected]
Jan 21, 2020	CVE Modified	[email protected]
Nov 6, 2019	CVE Modified	[email protected]
Oct 9, 2019	CVE Modified	[email protected]
Oct 3, 2019	CWE Remap	[email protected]
Aug 21, 2019	CVE Modified	[email protected]
May 22, 2019	CVE Modified	[email protected]
Apr 25, 2019	Modified Analysis	[email protected]
Apr 24, 2019	CVE Modified	[email protected]
Apr 3, 2019	Modified Analysis	[email protected]
Mar 30, 2019	CVE Modified	[email protected]
Mar 29, 2019	CVE Modified	[email protected]
Mar 28, 2019	Modified Analysis	[email protected]
Mar 27, 2019	CVE Modified	[email protected]
Nov 16, 2018	CVE Modified	[email protected]
Nov 14, 2018	CVE Modified	[email protected]
Nov 7, 2018	CVE Modified	[email protected]
Oct 31, 2018	CVE Modified	[email protected]
Oct 9, 2018	Modified Analysis	[email protected]
Sep 29, 2018	CVE Modified	[email protected]
Sep 28, 2018	CVE Modified	[email protected]
Sep 26, 2018	CVE Modified	[email protected]
Aug 17, 2018	CVE Modified	[email protected]
Aug 10, 2018	Initial Analysis	[email protected]

CVE-2018-1061 Details

Description

Metrics

References to Advisories, Solutions, and Tools

Weakness Enumeration

Affected Products

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

CPE

Remediation

Change History

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