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CVE-2026-124903

Sandbox escape due to use-after-free in the IPC component

cve-program · severity unknownCVSS unknownCheck source for fixed versionsKEV status unknown
Original advisory

Historical advisory recorded 10 Nov 2026 20:21:22 UTC. Read the latest advisory.

cve-program · CVE-2026-124903

Published

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

Read the publisher's advisory

Affected versions, risk and source history

cve-program · CVE-2026-124903

Published

Sandbox escape due to use-after-free in the IPC component

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

Source published
10 Nov 2026 13:28:30 UTC
Source modified
10 Nov 2026 18:58:46 UTC
Saved here
10 Nov 2026 20:21:22 UTC
Source terms
CVE Program Terms of Use

Original source record · Cite this exact observation · Complete original publisher JSON

Source: cve-program · CVE Program Terms of Use. The publisher's wording is preserved. ChangeIntel groups the information and labels changes. The JSON record includes additional source fields.

ChangeIntel

An IT change radar: releases, security, known issues, retirements, documentation changes, and service status from public sources. Every item links to supporting evidence; dates and statuses can change after they are read.

Sources read 15 Nov 23:13 UTC · 274 of 275 readable · 250 fully read · 18 waiting for GitHub's hourly limit · documentation 461/469 current

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