What’s Vulnerable › Vulnerabilities

CVE-2024-10458

• Severity: high (CVSS 7.5 v3.1)
• Exploited in the wild: not listed in CISA KEV
• EPSS: 0.6% probability of exploitation in the next 30 days
• Public exploit or detection template: none known
• Published: 2024-10-29 · updated 2026-06-17
• Weakness: CWE-281

Description

A permission leak could have occurred from a trusted site to an untrusted site via `embed` or `object` elements. This vulnerability affects Firefox < 132, Firefox ESR < 128.4, Firefox ESR < 115.17, Thunderbird < 128.4, and Thunderbird < 132.

Affected products

• Mozilla Firefox: before 115.17; before 132.0; from 116.0 before 128.4.0 — fixed in 115.17, 128.4.0, 132.0
• Mozilla Thunderbird: before 128.4.0; from 129.0 before 132.0 — fixed in 128.4.0, 132.0

How to fix

Upgrade to a fixed version: Mozilla Firefox 115.17, 128.4.0, 132.0; Mozilla Thunderbird 128.4.0, 132.0. Check the vendor advisory for mitigations.

References

• https://bugzilla.mozilla.org/show_bug.cgi?id=1921733
• https://www.mozilla.org/security/advisories/mfsa2024-55/
• https://www.mozilla.org/security/advisories/mfsa2024-56/
• https://www.mozilla.org/security/advisories/mfsa2024-57/
• https://www.mozilla.org/security/advisories/mfsa2024-58/
• https://www.mozilla.org/security/advisories/mfsa2024-59/
• https://lists.debian.org/debian-lts-announce/2024/10/msg00034.html
• https://lists.debian.org/debian-lts-announce/2024/11/msg00001.html

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