CVE-2026-2760 (GCVE-0-2026-2760)
Vulnerability from cvelistv5 – Published: 2026-02-24 13:33 – Updated: 2026-02-24 17:30
VLAI?
Title
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component
Summary
Sandbox escape due to incorrect boundary conditions in the Graphics: WebRender component. This vulnerability affects Firefox < 148, Firefox ESR < 115.33, Firefox ESR < 140.8, Thunderbird < 148, and Thunderbird < 140.8.
Severity ?
No CVSS data available.
Assigner
References
Impacted products
| Vendor | Product | Version | ||||||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Mozilla | Firefox |
Affected:
unspecified , < 148
(custom)
|
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Credits
Oskar L
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}
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}
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"dateReserved": "2026-02-19T15:05:23.107Z",
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}
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Sightings
| Author | Source | Type | Date |
|---|
Nomenclature
- Seen: The vulnerability was mentioned, discussed, or observed by the user.
- Confirmed: The vulnerability has been validated from an analyst's perspective.
- Published Proof of Concept: A public proof of concept is available for this vulnerability.
- Exploited: The vulnerability was observed as exploited by the user who reported the sighting.
- Patched: The vulnerability was observed as successfully patched by the user who reported the sighting.
- Not exploited: The vulnerability was not observed as exploited by the user who reported the sighting.
- Not confirmed: The user expressed doubt about the validity of the vulnerability.
- Not patched: The vulnerability was not observed as successfully patched by the user who reported the sighting.
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