CVE-2016-5278
8.8
HIGH
CVSS 3.1
EPSS 1.5%
Description
Heap-based buffer overflow in the nsBMPEncoder::AddImageFrame function in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4, and Thunderbird < 45.4 allows remote attackers to execute arbitrary code via a crafted image data that is mishandled during the encoding of an image frame to an image.
How to fix CVE-2016-5278
To remediate CVE-2016-5278, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 45.4.0esr-1 or later
Is CVE-2016-5278 being exploited?
Low — EPSS is 1.5%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 45.4.0esr-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | HIGH8.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H |