What’s Vulnerable › Vulnerabilities
CVE-2017-5380
- Severity: critical (CVSS 9.8 v3.0)
- Exploited in the wild: not listed in CISA KEV
- EPSS: 3.1% probability of exploitation in the next 30 days
- Public exploit or detection template: none known
- Published: 2018-06-11 · updated 2026-06-17
- Weakness: CWE-416
Description
A potential use-after-free found through fuzzing during DOM manipulation of SVG content. This vulnerability affects Thunderbird < 45.7, Firefox ESR < 45.7, and Firefox < 51.
Affected products
- Debian Linux: 9.0
- Mozilla Firefox: before 51.0; before 45.7.0 — fixed in 45.7.0, 51.0
- Mozilla Thunderbird: before 45.7.0 — fixed in 45.7.0
- Red Hat Enterprise Linux: 5.0, 6.0, 7.0
- RedHat Enterprise Linux Desktop: 5.0, 6.0, 7.0
- RedHat Enterprise Linux Server: 5.0, 6.0, 7.0
- RedHat Enterprise Linux Server Aus: 7.3, 7.4
- RedHat Enterprise Linux Server Eus: 7.3, 7.4, 7.5
- RedHat Enterprise Linux Workstation: 5.0, 6.0, 7.0
How to fix
Upgrade to a fixed version: Mozilla Firefox 45.7.0, 51.0; Mozilla Thunderbird 45.7.0. Check the vendor advisory for mitigations.
References
- http://rhn.redhat.com/errata/RHSA-2017-0190.html
- http://rhn.redhat.com/errata/RHSA-2017-0238.html
- http://www.securityfocus.com/bid/95769
- http://www.securitytracker.com/id/1037693
- https://bugzilla.mozilla.org/show_bug.cgi?id=1322107
- https://security.gentoo.org/glsa/201702-13
- https://security.gentoo.org/glsa/201702-22
- https://www.debian.org/security/2017/dsa-3771
- https://www.debian.org/security/2017/dsa-3832
- https://www.mozilla.org/security/advisories/mfsa2017-01/
- https://www.mozilla.org/security/advisories/mfsa2017-02/
- https://www.mozilla.org/security/advisories/mfsa2017-03/
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