CVE-2018-1061
MEDIUMPython < 2.7.15 - Denial of Service via Catastrophic Backtracking in difflib.IS_LINE_JUNK
Title source: llmDescription
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.
References (21)
Core 21
Core References
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4306
Issue Tracking x_refsource_confirm
https://bugzilla.redhat.com/show_bug.cgi?id=CVE-2018-1061
Third Party Advisory, VDB Entry vdb-entry
x_refsource_sectrack
http://www.securitytracker.com/id/1042001
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00031.html
Vendor Advisory x_refsource_confirm
https://bugs.python.org/issue32981
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3817-2/
Vendor Advisory x_refsource_confirm
https://docs.python.org/3.6/whatsnew/changelog.html#python-3-6-5-release-candidate-1
Vendor Advisory x_refsource_confirm
https://docs.python.org/3.5/whatsnew/changelog.html#python-3-5-6-release-candidate-1
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3505
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2018:3041
Third Party Advisory vendor-advisory
x_refsource_debian
https://www.debian.org/security/2018/dsa-4307
Third Party Advisory vendor-advisory
x_refsource_ubuntu
https://usn.ubuntu.com/3817-1/
Mailing List, Third Party Advisory mailing-list
x_refsource_mlist
https://lists.debian.org/debian-lts-announce/2018/09/msg00030.html
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/JSKPGPZQNTAULHW4UH63KGOOUIDE4RRB/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/AEZ5IQT7OF7Q2NCGIVABOWYGKO7YU3NJ/
Mailing List, Third Party Advisory vendor-advisory
x_refsource_fedora
https://lists.fedoraproject.org/archives/list/package-announce%40lists.fedoraproject.org/message/46PVWY5LFP4BRPG3BVQ5QEEFYBVEXHCK/
Third Party Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHBA-2019:0327
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:1260
Vendor Advisory x_refsource_confirm
https://support.hpe.com/hpsc/doc/public/display?docLocale=en_US&docId=emr_na-hpesbst03951en_us
Vendor Advisory vendor-advisory
x_refsource_redhat
https://access.redhat.com/errata/RHSA-2019:3725
Mailing List vendor-advisory
x_refsource_suse
http://lists.opensuse.org/opensuse-security-announce/2020-01/msg00040.html
Scores
CVSS v3
6.5
EPSS
0.0178
EPSS Percentile
82.9%
Attack Vector
NETWORK
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:H
Details
CWE
CWE-20
Status
published
Products (15)
canonical/ubuntu_linux
12.04
canonical/ubuntu_linux
14.04
canonical/ubuntu_linux
16.04
canonical/ubuntu_linux
18.04
debian/debian_linux
8.0
debian/debian_linux
9.0
fedoraproject/fedora
28
fedoraproject/fedora
29
fedoraproject/fedora
30
python/python
3.7.0 alpha1 (10 CPE variants)
... and 5 more
Published
Jun 19, 2018
Tracked Since
Feb 18, 2026