Critical severity · published Jun 11, 2018
CVE-2017-5402
A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts
9.8
CVSS
2.8%
EPSS
No
On KEV
Description
A use-after-free can occur when events are fired for a "FontFace" object after the object has been already been destroyed while working with fonts. This results in a potentially exploitable crash. This vulnerability affects Firefox < 52, Firefox ESR < 45.8, Thunderbird < 52, and Thunderbird < 45.8.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
High
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)2.8% · higher than 87% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 52.0; before 45.8.0 · source: NVD
DL
Debian Linux · Debian
9.0 · source: NVD
EL
Enterprise Linux · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
5.0; 6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.3; 7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
5.0; 6.0; 7.0 · source: NVD
TH
Thunderbird · Mozilla
before 45.8.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-5402
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-5402
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0459.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0461.html
Third Party Advisory
http://rhn.redhat.com/errata/RHSA-2017-0498.html
Third Party Advisory
http://www.securityfocus.com/bid/96664
Third Party Advisory
http://www.securitytracker.com/id/1037966
Issue Tracking
https://bugzilla.mozilla.org/show_bug.cgi?id=1334876
More from Firefox
10.0
CVE-2019-11708
Mozilla Firefox and Thunderbird Sandbox Escape Vulnerability
9.8
CVE-2024-9680
Mozilla Firefox Use-After-Free Vulnerability
9.8
CVE-2010-3765
Mozilla Multiple Products Remote Code Execution Vulnerability
9.6
CVE-2022-26486
Mozilla Firefox Use-After-Free Vulnerability
8.8
CVE-2023-5217
Google Chromium libvpx Heap Buffer Overflow Vulnerability