Improper input validation in Mozilla Thunderbird
CVE-2018-5161
Crafted message headers can cause a Thunderbird process to hang on receiving the message. This vulnerability affects Thunderbird ESR < 52.8 and Thunderbird < 52.8.
Vulnerability class: Drupalgeddon 2 (CVE-2018-7600)
Published · last modified .
CVSS v3 metric
CVSS v3 base score 4.3 (Medium). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:N/I:N/A:L.
EPSS exploit prediction
EPSS: 0.021 (80.5th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 80.5% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.021 · newest: 0.021 · change: 0.000
Affected products
- Mozilla Thunderbird — versions unspecified
- Mozilla Thunderbird Esr — versions unspecified
- Mozilla Thunderbird Esr
- Canonical Ubuntu Linux — versions 14.04, 16.04, 17.10
- Debian Linux — versions 7.0, 8.0, 9.0
- Red Hat Enterprise Linux Desktop — versions 6.0, 7.0
- Red Hat Enterprise Linux Server — versions 6.0, 7.0
- Red Hat Enterprise Linux Server Aus — versions 7.6
- Red Hat Enterprise Linux Server Eus — versions 7.5, 7.6
- Red Hat Enterprise Linux Server Tus — versions 7.6
Weakness classification (CWE)
References
- access.redhat.com/errata/RHSA-2018:1726 (vendor-advisory, Third Party Advisory)
- security.gentoo.org/glsa/201811-13 (vendor-advisory, Third Party Advisory)
- www.mozilla.org/security/advisories/mfsa2018-13/ (Vendor Advisory)
- usn.ubuntu.com/3660-1/ (vendor-advisory, Third Party Advisory)
- www.securitytracker.com/id/1040946 (VDB Entry, Third Party Advisory, vdb-entry)
- lists.debian.org/debian-lts-announce/2018/05/msg00013.html (mailing-list, Mailing List, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:1725 (vendor-advisory, Third Party Advisory)
- www.debian.org/security/2018/dsa-4209 (vendor-advisory, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
Frequently asked questions
- What is CVE-2018-5161?
- CVE-2018-5161 is a medium-severity vulnerability in Mozilla Thunderbird, classified under Improper Input Validation. CVSS score: 4.3/10. Published 2018-06-11.
- How severe is CVE-2018-5161?
- Medium severity. CVSS v3 base score is 4.3 out of 10.