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CVE-2017-7758

Mozilla: Out-of-bounds read in Opus encoder (MFSA 2017-16)

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Severity

Moderate

Red Hat Product Security

9.1

CVSS 3.0

Review impact separately from score.

Published · June 14, 2017

Updated · November 26, 2025

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.

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 · 9.1
CVSS:3.0/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

CWE not specified