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CVE Vulnerability Details :

CVE-2026-2806

PUBLISHED

More Info Official Page

Assigner-mozilla

Assigner Org ID-f16b083a-5664-49f3-a51e-8d479e5ed7fe

Published At-24 Feb, 2026 | 13:33

Updated At-25 Feb, 2026 | 21:29

▼CVE Numbering Authority (CNA)

Uninitialized memory in the Graphics: Text component

Uninitialized memory in the Graphics: Text component. This vulnerability affects Firefox < 148 and Thunderbird < 148.

Affected Products

Vendor

Mozilla Corporation

Product

Firefox

Versions

Affected

From unspecified before 148 (custom)

Vendor

Mozilla Corporation

Product

Thunderbird

Versions

Affected

From unspecified before 148 (custom)

Credits

Zijie Zhao

References

Hyperlink	Resource
https://bugzilla.mozilla.org/show_bug.cgi?id=2006199	N/A
https://www.mozilla.org/security/advisories/mfsa2026-13/	N/A
https://www.mozilla.org/security/advisories/mfsa2026-16/	N/A

Hyperlink: https://bugzilla.mozilla.org/show_bug.cgi?id=2006199

Resource: N/A

Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-13/

Resource: N/A

Hyperlink: https://www.mozilla.org/security/advisories/mfsa2026-16/

Resource: N/A

▼Authorized Data Publishers (ADP)

CISA ADP Vulnrichment

Problem Types

Type	CWE ID	Description
CWE	CWE-457	CWE-457 Use of Uninitialized Variable

Type: CWE

CWE ID: CWE-457

Description: CWE-457 Use of Uninitialized Variable

Metrics

Version	Base score	Base severity	Vector
3.1	9.1	CRITICAL	CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Version: 3.1

Base score: 9.1

Base severity: CRITICAL

Vector:

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:H

Affected Products

Affected

Affected

Metrics

Metrics Other Info

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Solutions

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Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References

Affected Products

Problem Types

Metrics

Metrics Other Info

Impacts

Solutions

Configurations

Workarounds

Exploits

Credits

Timeline

Replaced By

Rejected Reason

References