Critical severity · published Jun 11, 2018
CVE-2017-7753
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data
9.1
CVSS
3.1%
EPSS
No
On KEV
Description
An out-of-bounds read occurs when applying style rules to pseudo-elements, such as ::first-line, using cached style data. This vulnerability affects Thunderbird < 52.3, Firefox ESR < 52.3, and Firefox < 55.
CVSS vector
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H
Attack vector
Network
Complexity
Low
Privileges
None
User interaction
None
Confidentiality
High
Integrity
None
Availability
High
Scope
Unchanged
Exploitation
Is it being used?
Exploit prediction (EPSS)3.1% · 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 55.0; before 52.3.0 · source: NVD
DL
Debian Linux · Debian
8.0; 9.0 · source: NVD
EL
Enterprise Linux · Redhat
6.0; 7.0 · 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
7.3; 7.4 · source: NVD
EL
Enterprise Linux Server Eus · Redhat
7.3; 7.4; 7.5 · source: NVD
EL
Enterprise Linux Workstation · Redhat
6.0; 7.0 · source: NVD
TH
Thunderbird · Mozilla
before 52.3.0 · source: NVD
References
NVD
https://nvd.nist.gov/vuln/detail/CVE-2017-7753
CVE.org
https://www.cve.org/CVERecord?id=CVE-2017-7753
Third Party Advisory
http://www.securityfocus.com/bid/100315
Third Party Advisory
http://www.securitytracker.com/id/1039124
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2456
Third Party Advisory
https://access.redhat.com/errata/RHSA-2017:2534
Exploit
https://bugzilla.mozilla.org/show_bug.cgi?id=1353312
Third Party Advisory
https://security.gentoo.org/glsa/201803-14
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