Description
Integer overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before 48.0 and Firefox ESR < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets that trigger incorrect buffer-resize operations during buffering.
Published: 2016-08-05
Score: 8.8 High
EPSS: < 1% Very Low
KEV: No
Impact: n/a
Action: n/a
AI Analysis

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Remediation

No vendor fix or workaround currently provided.

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Tracking

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Advisories
Source ID Title
Debian DLA Debian DLA DLA-636-1 firefox-esr security update
Debian DLA Debian DLA DLA-658-1 icedove security update
Debian DSA Debian DSA DSA-3674-1 firefox-esr security update
EUVD EUVD EUVD-2016-6212 Integer overflow in the WebSocketChannel class in the WebSockets subsystem in Mozilla Firefox before 48.0 and Firefox ESR < 45.4 allows remote attackers to execute arbitrary code or cause a denial of service (memory corruption) via crafted packets that trigger incorrect buffer-resize operations during buffering.
Ubuntu USN Ubuntu USN USN-3044-1 Firefox vulnerabilities
History

No history.

Subscriptions

Mozilla Firefox
Redhat Enterprise Linux
cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2024-08-06T00:53:48.929Z

Reserved: 2016-06-03T00:00:00.000Z

Link: CVE-2016-5261

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Modified

Published: 2016-08-05T01:59:17.237

Modified: 2026-05-06T22:30:45.220

Link: CVE-2016-5261

cve-icon Redhat

Severity : Important

Publid Date: 2016-09-20T00:00:00Z

Links: CVE-2016-5261 - Bugzilla

cve-icon OpenCVE Enrichment

No data.

Weaknesses