CVE-2016-5257
icedove - security update
9.8
CRITICAL
CVSS 3.1
EPSS 0.91%
Description
Multiple unspecified vulnerabilities in the browser engine in Mozilla Firefox before 49.0, Firefox ESR 45.x before 45.4 and Thunderbird < 45.4 allow remote attackers to cause a denial of service (memory corruption and application crash) or possibly execute arbitrary code via unknown vectors.
How to fix CVE-2016-5257
To remediate CVE-2016-5257, upgrade the affected package to a fixed version below.
- —upgrade to 45.4.0esr-1 or later
- —upgrade to 1:45.4.0-1~deb7u1 or later
- —upgrade to 1:45.4.0-1~deb8u1 or later
Is CVE-2016-5257 being exploited?
Low — EPSS is 0.9%, meaning exploitation activity has not been observed at scale.
Affected packages (3)
- from 0, < 45.4.0esr-1
- from 0, < 1:45.4.0-1~deb7u1
- from 0, < 1:45.4.0-1~deb8u1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.8 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:H/A:H |