Critical severity · published Jun 11, 2018
CVE-2017-7819
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory
9.8
CVSS
3.3%
EPSS
No
On KEV
Description
A use-after-free vulnerability can occur in design mode when image objects are resized if objects referenced during the resizing have been freed from memory. This results in a potentially exploitable crash. This vulnerability affects Firefox < 56, Firefox ESR < 52.4, and Thunderbird < 52.4.
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)3.3% · higher than 88% of CVEs
Exploited in the wildNo evidence yet
CISA KEVNot listed
Ransomware campaign useNot known
Affected products
Which versions
FI
Firefox · Mozilla
before 52.4.0; before 56.0 · source: NVD
DL
Debian Linux · Debian
7.0; 8.0; 9.0 · source: NVD
EL
Enterprise Linux Desktop · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server · Redhat
6.0; 7.0 · source: NVD
EL
Enterprise Linux Server Aus · Redhat
7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.4.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7819
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7819
Third Party Advisory
http://www.securityfocus.com/bid/101055
Third Party Advisory
http://www.securitytracker.com/id/1039465
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2831
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2885
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1380292
Mailing List
https://lists.debian.org/debian-lts-announce/2017/11/msg00000.html
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