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CVE-2026-124891

Incorrect boundary conditions in the DOM: Selection component

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

cve-program · CVE-2026-124891

Published

Incorrect boundary conditions in the DOM: Selection component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Read the publisher's advisory

Affected versions, risk and source history

Related advisories and sources

Publishers link these advisories through the identifiers shown below. A shared identifier or date alone does not tell you whether your software is affected or whether the advisories describe the same cause.

CVE-2026-124891 · CVE overview and exploitation status

cve-program · CVE-2026-124891

Related changes

Linked by CVE identifier
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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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