CVE-2016-5259 - CVE House
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Status published High CVE-2016-5259

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before...

Vulnerability Description

Use-after-free vulnerability in the CanonicalizeXPCOMParticipant function in Mozilla Firefox before 48.0 and Firefox ESR 45.x before 45.3 allows remote attackers to execute arbitrary code via a script that closes its own Service Worker within a nested sync event loop.

Impact Analysis

Refer to official advisory for detailed impact metrics.

Remediation

Ensure systems are updated to the latest vendor-supplied patch levels.

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Credits & Attribution

No credits recorded in the NVD database.

Affected Vendor

Affected Software

firefox, linux
Vulnerable Versions:
0, 45.1.0, 45.1.1, 45.2.0, 45.3.0, 5.0, 6, 7

Timeline

Official Publish: August 5th, 2016
Last Modified: August 6th, 2024
Added to House: July 20th, 2026

CVSS Vectors

V3: CVSS:3.0/AV:N/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H

Weaknesses (CWE)

No CWE data available

MITRE ATT&CK TTPs

No associated TTPs found for this vulnerability.