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CVE-2024-6606

Out-of-bounds read in clipboard component

HIGH
8.2
CVSS Score
Published: July 9, 2024 at 02:25 PM UTC
Updated: June 17, 2026 at 08:18 AM UTC
2 products affected across 1 vendorFirefoxThunderbird

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Severity
HIGH8.2
Exploit prediction
EPSS 0.4%
SSVC
No known exploit

Description

Clipboard code failed to check the index on an array access. This could have led to an out-of-bounds read. This vulnerability affects Firefox < 128 and Thunderbird < 128.

Affected

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

Firefox· Mozilla
95%
v < 128
Affected range stops below 128, so it looks safe — our inference, not a vendor statement
Affected range stops below 128.0, so it looks safe — our inference, not a vendor statement
Thunderbird· Mozilla
95%
v < 128
Affected range stops below 128, so it looks safe — our inference, not a vendor statement
Affected range stops below 128.0, 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 (3)

Issue Tracking
Source: [email protected]
https://bugzilla.mozilla.org/show_bug.cgi?id=1902305
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-29/
Vendor Advisory
Source: [email protected]
https://www.mozilla.org/security/advisories/mfsa2024-32/

SSVC — Action Prioritization

SSVCNo known exploitNot automatablePartial impact

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

CVSS

8.2HIGHCISA-ADP
Attack Vector
NETWORK
Complexity
LOW
Privileges
NONE
User Interaction
REQUIRED
Scope
CHANGED
Confidentiality
HIGH
Integrity
NONE
Availability
LOW
Vector?

Quick Info

StatusANALYZED
CWE
CWE-125

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