CVE-2026-2759
Received Received - Intake
Boundary Error in Firefox ImageLib Causes Potential Memory Corruption

Publication date: 2026-02-24

Last updated on: 2026-04-13

Assigner: Mozilla Corporation

Description
Incorrect boundary conditions in the Graphics: ImageLib component. This vulnerability was fixed in Firefox 148, Firefox ESR 115.33, Firefox ESR 140.8, Thunderbird 148, and Thunderbird 140.8.
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Meta Information
Published
2026-02-24
Last Modified
2026-04-13
Generated
2026-06-16
AI Q&A
2026-02-24
EPSS Evaluated
2026-06-15
NVD
CVE-2026-2759
Affected Vendors & Products
Showing 5 associated CPEs
Vendor Product Version / Range
mozilla firefox to 148.0 (exc)
mozilla thunderbird to 148.0 (exc)
mozilla firefox to 115.33.0 (exc)
mozilla firefox From 128.0 (inc) to 140.8.0 (exc)
mozilla thunderbird to 140.8.0 (exc)
Helpful Resources
Exploitability
CWE
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KEV
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CWE ID Description
CWE-1384 The product does not properly handle unexpected physical or environmental conditions that occur naturally or are artificially induced.
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Executive Summary

This vulnerability involves incorrect boundary conditions in the Graphics: ImageLib component of Firefox. It affects versions of Firefox earlier than 148, Firefox ESR versions earlier than 115.33, and Firefox ESR versions earlier than 140.8.

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