Sandbox escape due to use-after-free in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.

Metrics

No CVSS v4.0

No CVSS v3.1

No CVSS v3.0

No CVSS v2

This CVE is not in the KEV list.

No EPSS score available.

Key SSVC decision points have not yet been added.

Affected Vendors & Products

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Advisories

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Fixes

Solution

No solution given by the vendor.

Workaround

No workaround given by the vendor.

References
Link Providers
https://bugzilla.mozilla.org/show_bug.cgi?id=2084673 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-125/ cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-126/ cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-127/ cve-icon
History

Tue, 10 Nov 2026 13:45:00 +0000

Type Values Removed Values Added
Description Sandbox escape due to use-after-free in the IPC component. This vulnerability was fixed in Firefox 160, Firefox ESR 115.45, and Firefox ESR 153.7.
Title Sandbox escape due to use-after-free in the IPC component
References

Projects

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-11-10T13:28:30.734Z

Reserved: 2026-11-09T14:46:53.543Z

Link: CVE-2026-124903

cve-icon Vulnrichment

No data.

cve-icon NVD

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cve-icon Redhat

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cve-icon OpenCVE Enrichment

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Weaknesses

No weakness.