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CVE-2024-0747

MEDIUM
6.5
CVSS Score
Published: January 23, 2024 at 01:48 PM UTC
Updated: June 17, 2026 at 06:54 AM UTC
4 products affected across 2 vendorsDebian LinuxFirefoxThunderbird

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Severity
MEDIUM6.5
Exploit prediction
EPSS 0.6%
SSVC
No known exploit

Description

When a parent page loaded a child in an iframe with `unsafe-inline`, the parent Content Security Policy could have overridden the child Content Security Policy. This vulnerability affects Firefox < 122, Firefox ESR < 115.7, and Thunderbird < 115.7.

Affected

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

Debian Linux· Debiandrupal
95%
10.0
Firefox· Mozilla
95%
v < 122
Affected range stops below 122, so it looks safe — our inference, not a vendor statement
Affected range stops below 122.0, so it looks safe — our inference, not a vendor statement
Firefox ESR· Mozilla
95%
v < 115.7
Affected range stops below 115.7, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 115.7
Affected range stops below 115.7, so it looks safe — our inference, not a vendor statement

Remediation

No guide yet

No remediation guidance has been written for this CVE yet. What the record does show:

Patch and advisory references

References (6)

Issue TrackingPermissions Required
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1764343
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/01/msg00015.html
Mailing ListThird Party Advisory
Source: [email protected]
https://lists.debian.org/debian-lts-announce/2024/01/msg00022.html
Release NotesVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-01/
Release NotesVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-02/
Release NotesVendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-04/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

6.5MEDIUMCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
UNCHANGED
Confidentiality
NONE
Integrity
HIGH
Availability
NONE
Vector?

Quick Info

StatusMODIFIED
CWE
NVD-CWE-noinfoCWE-693

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