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)
EPSS: 0.021 (79.4th percentile) — read the EPSS interpretation.
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.
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 Debian_linux — versions 7.0, 8.0, 9.0
- Redhat Enterprise_linux_desktop — versions 6.0, 7.0
- Redhat Enterprise_linux_server — versions 6.0, 7.0
- Redhat Enterprise_linux_server_aus — versions 7.6
- Redhat Enterprise_linux_server_eus — versions 7.5, 7.6
- Redhat Enterprise_linux_server_tus — versions 7.6
Weakness classification (CWE)
References
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@mozilla.org (vendor-advisory, Third Party Advisory, x_refsource_GENTOO)
- security@mozilla.org (x_refsource_CONFIRM, Vendor Advisory)
- security@mozilla.org (x_refsource_UBUNTU, vendor-advisory, Third Party Advisory)
- security@mozilla.org (VDB Entry, Third Party Advisory, vdb-entry, x_refsource_SECTRACK)
- security@mozilla.org (mailing-list, x_refsource_MLIST, Mailing List, Third Party Advisory)
- security@mozilla.org (x_refsource_REDHAT, vendor-advisory, Third Party Advisory)
- security@mozilla.org (vendor-advisory, Third Party Advisory, x_refsource_DEBIAN)
- security@mozilla.org (Permissions Required, x_refsource_CONFIRM, 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.