CVE-2017-5402
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
9.2 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.3%
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.
Affected configurations
References
rhn.redhat.com/errata/RHSA-2017-0459.html
rhn.redhat.com/errata/RHSA-2017-0461.html
rhn.redhat.com/errata/RHSA-2017-0498.html
www.securityfocus.com/bid/96664
www.securitytracker.com/id/1037966
bugzilla.mozilla.org/show_bug.cgi?id=1334876
security.gentoo.org/glsa/201705-06
security.gentoo.org/glsa/201705-07
www.debian.org/security/2017/dsa-3805
www.debian.org/security/2017/dsa-3832
www.mozilla.org/security/advisories/mfsa2017-05/
www.mozilla.org/security/advisories/mfsa2017-06/
www.mozilla.org/security/advisories/mfsa2017-07/
www.mozilla.org/security/advisories/mfsa2017-09/
Related
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
9.2 High
AI Score
Confidence
High
0.006 Low
EPSS
Percentile
78.3%