Description

An attacker was able to perform an out-of-bounds read or write on a JavaScript object by confusing array index sizes. This vulnerability was fixed in Firefox 138.0.4, Firefox ESR 128.10.1, Firefox ESR 115.23.1, Thunderbird 128.10.2, and Thunderbird 138.0.2.

INFO

Published Date :

2025-05-17T21:07:27.734Z

Last Modified :

2026-04-13T14:25:56.780Z

Source :

mozilla
AFFECTED PRODUCTS

The following products are affected by CVE-2025-4919 vulnerability.

Vendors Products
Mozilla
  • Firefox
  • Thunderbird
Redhat
  • Enterprise Linux
  • Rhel Aus
  • Rhel E4s
  • Rhel Els
  • Rhel Eus
  • Rhel Tus
REFERENCES

Here, you will find a curated list of external links that provide in-depth information to CVE-2025-4919.

URL Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=1966614 cve-icon cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00024.html cve-icon
https://lists.debian.org/debian-lts-announce/2025/05/msg00046.html cve-icon
https://nvd.nist.gov/vuln/detail/CVE-2025-4919 cve-icon
https://www.cve.org/CVERecord?id=CVE-2025-4919 cve-icon
https://www.mozilla.org/en-US/security/advisories/mfsa2025-37/#CVE-2025-4919 cve-icon
https://www.mozilla.org/en-US/security/advisories/mfsa2025-40/#CVE-2025-4919 cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-36/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-37/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-38/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-40/ cve-icon cve-icon
https://www.mozilla.org/security/advisories/mfsa2025-41/ cve-icon cve-icon
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CVSS Vulnerability Scoring System

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