CVE-2017-5436
HIGH severity · CVSS 8.8 · Out-of-bounds write
8.8CVSS HIGH
Summary
An out-of-bounds write in the Graphite 2 library triggered with a maliciously crafted Graphite font. This results in a potentially exploitable crash. This issue was fixed in the Graphite 2 library as well as Mozilla products. This vulnerability affects Thunderbird < 52.1, Firefox ESR < 45.9, Firefox ESR < 52.1, and Firefox < 53.
Impact & exploitability
Attack vectorNetwork
Attack complexityLow
Privileges requiredNone
User interactionRequired
Confidentiality impactHigh
Integrity impactHigh
Availability impactHigh
Exploit probability (EPSS)2%
CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Affected products we track (4)
Recommendation
Apply the vendor fix promptly. Open any affected product above for its exact safe version.
Additional information
- NVD record
- https://bugzilla.mozilla.org/show_bug.cgi?id=1345461Advisory
- http://www.securityfocus.com/bid/97940Advisory
- http://www.securitytracker.com/id/1038320Advisory
- https://access.redhat.com/errata/RHSA-2017:1104Advisory
- https://access.redhat.com/errata/RHSA-2017:1106Advisory
- https://access.redhat.com/errata/RHSA-2017:1201Advisory
- https://security.gentoo.org/glsa/201706-25Advisory
- https://www.debian.org/security/2017/dsa-3831Advisory