7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
74.2%
A use-after-free vulnerability can occur during font face manipulation when a font face is freed while still in use, resulting in a potentially exploitable crash. This vulnerability affects Thunderbird < 52.6, Firefox ESR < 52.6, and Firefox < 58.
www.securityfocus.com/bid/102783
www.securitytracker.com/id/1040270
access.redhat.com/errata/RHSA-2018:0122
access.redhat.com/errata/RHSA-2018:0262
bugzilla.mozilla.org/show_bug.cgi?id=1425000
lists.debian.org/debian-lts-announce/2018/01/msg00030.html
lists.debian.org/debian-lts-announce/2018/01/msg00036.html
usn.ubuntu.com/3544-1/
www.debian.org/security/2018/dsa-4096
www.debian.org/security/2018/dsa-4102
www.mozilla.org/security/advisories/mfsa2018-02/
www.mozilla.org/security/advisories/mfsa2018-03/
www.mozilla.org/security/advisories/mfsa2018-04/
7.5 High
CVSS2
Attack Vector
NETWORK
Attack Complexity
LOW
Authentication
NONE
Confidentiality Impact
PARTIAL
Integrity Impact
PARTIAL
Availability Impact
PARTIAL
AV:N/AC:L/Au:N/C:P/I:P/A:P
9.8 High
CVSS3
Attack Vector
NETWORK
Attack Complexity
LOW
Privileges Required
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality Impact
HIGH
Integrity Impact
HIGH
Availability Impact
HIGH
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H
9.4 High
AI Score
Confidence
High
0.004 Low
EPSS
Percentile
74.2%