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CVE-2017-5436

Published: Jun 11, 2018Updated: Nov 25, 2025 Sources: CVE List NVD BDUCWE-787
NVD MITRE
8.8CVSSHIGH
EPSS Score
2.4%
Top 17.9%
CISA KEV
Not in KEV
Exploits
No Known Exploits
Remediation
Patch Available

Description

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.

CVSS Vector Breakdown

AV:NAC:LPR:NUI:RS:UC:HI:HA:H
Exploitability
AV:NAttack Vector
Network
AC:LAttack Complexity
Low
PR:NPrivileges Required
None
UI:RUser Interaction
Required
Scope
S:UScope
Unchanged
Impact
C:HConfidentiality
High
I:HIntegrity
High
A:HAvailability
High
Open in CVSS calculator →

Weaknesses

CWE-787

Affected Products

ThunderbirdMozilla
On-premDesktop App
Communications / email-server-client
Firefox ESRMozilla
Desktop App
Consumer Software / browser
FirefoxMozilla
On-premDesktop App
Consumer Software / browser
debian linuxdebian
On-premOS
Operating Systems / linux-distro
enterprise linuxredhat
On-premOS
Operating Systems / linux-distro
mozillaoss-projectUSConsumer Softwareaka mozilla corp.
debianoss-projectGBOperating Systemsaka debian gnu/linux
redhatcommercialUSOperating Systemsaka red hat
and 24 more affected products View all →

Attack Graph

Products CVE Techniques Tactics

Click technique nodes to view MITRE ATT&CK details. Scroll to zoom, drag to pan.

Exploitability

Official Patch Available

MITRE ATT&CK

2 techniques
Initial Access
Privilege Escalation
View detailed technique mapping

References

https://access.redhat.com/errata/RHSA-2017:1106
access.redhat.com
https://www.mozilla.org/security/advisories/mfsa2017-12/
mozilla.org
https://www.mozilla.org/security/advisories/mfsa2017-11/
mozilla.org
and 22 more references View all →

Timeline

Published
Jun 11, 2018
Last Updated
Nov 25, 2025

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