CVE-2017-5436
Mozilla: graphite2: Out-of-bounds write with malicious font in Graphite 2 (MFSA 2017-11, MFSA 2017-12)
Severity
CriticalRed Hat Product Security
CVSS 3.0
Review impact separately from score.
Published · April 19, 2017
Updated · October 17, 2026
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 score applicability
The CVSS score(s) listed for this vulnerability do not reflect the associated product's status, and are included for informational purposes to better understand the severity of this vulnerability.
Mitigation
No mitigation is specified in collected source.
CVSS / CWE
CVSS 3.0 · 8.8CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
CWE not specified