Vulnerability in Mozilla Thunderbird
CVE-2017-7846
It is possible to execute JavaScript in the parsed RSS feed when RSS feed is viewed as a website, e.g. via "View -> Feed article -> Website" or in the standard format of "View -> Feed article -> default format". This vulnerability affects Thunderbird < 52.5.2.
Published · last modified .
CVSS v3 metric
CVSS v3 base score 8.8 (High). Vector: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H.
EPSS exploit prediction
EPSS: 0.020 (79.8th percentile), scored .
Low probability of exploitation in the next 30 days, but still tracked. 80th percentile — 79.8% of CVEs in the catalogue have a lower EPSS than this one. How to read EPSS.
EPSS over last 30 days · oldest: 0.020 · newest: 0.020 · change: 0.000
Affected products
- Mozilla Thunderbird — versions unspecified
- 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 7.4
- Red Hat Enterprise Linux Server Eus — versions 7.4, 7.5
- Red Hat Enterprise Linux Workstation — versions 6.0, 7.0
Weakness classification (CWE)
References
- lists.debian.org/debian-lts-announce/2017/12/msg00026.html (mailing-list, Mailing List, Third Party Advisory)
- bugzilla.mozilla.org/show_bug.cgi (Permissions Required, Issue Tracking)
- www.securityfocus.com/bid/102258 (VDB Entry, Third Party Advisory, vdb-entry)
- www.securitytracker.com/id/1040123 (VDB Entry, Third Party Advisory, vdb-entry)
- www.mozilla.org/security/advisories/mfsa2017-30/ (Vendor Advisory)
- www.debian.org/security/2017/dsa-4075 (vendor-advisory, Third Party Advisory)
- access.redhat.com/errata/RHSA-2018:0061 (vendor-advisory, Third Party Advisory)
Frequently asked questions
- What is CVE-2017-7846?
- CVE-2017-7846 is a high-severity vulnerability in Mozilla Thunderbird, classified under Improper Neutralization of Special Elements in Output Used by a Downstream Component (Injection). CVSS score: 8.8/10. Published 2018-06-11.
- How severe is CVE-2017-7846?
- High severity. CVSS v3 base score is 8.8 out of 10.