CVE-2017-7758
9.1
CRITICAL
CVSS 3.1
EPSS 1.7%
Description
An out-of-bounds read vulnerability with the Opus encoder when the number of channels in an audio stream changes while the encoder is in use. This vulnerability affects Firefox < 54, Firefox ESR < 52.2, and Thunderbird < 52.2.
How to fix CVE-2017-7758
To remediate CVE-2017-7758, upgrade the affected package to a fixed version below.
- Debian/firefox-esr—upgrade to 52.2.0esr-1 or later
Is CVE-2017-7758 being exploited?
Low — EPSS is 1.7%, meaning exploitation activity has not been observed at scale.
Affected packages (1)
- from 0, < 52.2.0esr-1
CVSS scores
| Source | Version | Severity | Vector |
|---|---|---|---|
| osv | CVSS 3.1 | CRITICAL9.1 | CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H |