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CVE-2026-124866

Use-after-free in the Layout component

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

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

cve-program · CVE-2026-124866

Published

Use-after-free in the Layout 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

cve-program · CVE-2026-124866

Published

Use-after-free in the Layout component

Use-after-free in the Layout component. This vulnerability was fixed in Firefox 160, Firefox ESR 153.7, Thunderbird 160, and Thunderbird 153.7.

Source published
10 Nov 2026 13:28:11 UTC
Source modified
10 Nov 2026 20:24:15 UTC
Saved here
10 Nov 2026 22:21:22 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.

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Sources read 15 Nov 19:06 UTC · 254 of 275 readable · 250 fully read · documentation 469/469 current

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