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CVE-2024-10458

HIGH
7.5
CVSS Score
Published: October 29, 2024 at 12:19 PM UTC
Updated: June 17, 2026 at 06:55 AM UTC
3 products affected across 1 vendorFirefoxThunderbirdFirefox ESR

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Severity
HIGH7.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

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

Our own answer: ranges merged, affected separated from platform-only, with confidence and review flags.

Firefox· Mozilla
95%
v < 115.17v < 132v < 132.0116.0 ≤ v < 128.4.0
Affected range stops below 115.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 128.4.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 132, so it looks safe — our inference, not a vendor statement
Affected range stops below 132.0, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 128.4v < 128.4.0v < 132129.0 ≤ v < 132.0
Affected range stops below 128.4, so it looks safe — our inference, not a vendor statement
Affected range stops below 128.4.0, so it looks safe — our inference, not a vendor statement
Affected range stops below 132, so it looks safe — our inference, not a vendor statement
Affected range stops below 132.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
60%
v < 115.17v < 128.4
Affected range stops below 115.17, so it looks safe — our inference, not a vendor statement
Affected range stops below 128.4, so it looks safe — our inference, not a vendor statement

References (8)

Issue Tracking
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1921733
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-55/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-56/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-57/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-58/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-59/
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/10/msg00034.html
Source: af854a3a-2127-422b-91ae-364da2661108
https://lists.debian.org/debian-lts-announce/2024/11/msg00001.html

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

SSVC signals action urgency (what to patch first), separate from CVSS which measures severity.

CVSS

7.5HIGH[email protected]
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
NONE
Scope
UNCHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-281

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