Description

Undefined behavior in the DOM: Core & HTML component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.

INFO

Published Date :

2026-02-24T13:33:08.538Z

Last Modified :

2026-04-13T13:52:37.299Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2026-2771 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Firefox Esr
  • Thunderbird
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2026-2771.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2014593 cve-icon cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2026-2771 cve-icon
https://www.cve.org/CVERecord?id=CVE-2026-2771 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-13/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-14/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-15/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-15/#CVE-2026-2771 cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-16/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2026-17/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

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