Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9.
Metrics
Affected Vendors & Products
References
History
Mon, 13 Apr 2026 14:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability was fixed in Firefox 149, Firefox ESR 115.34, Firefox ESR 140.9, Thunderbird 149, and Thunderbird 140.9. |
Thu, 26 Mar 2026 00:15:00 +0000
| Type | Values Removed | Values Added |
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| References |
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| Metrics |
threat_severity
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threat_severity
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Wed, 25 Mar 2026 15:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla thunderbird
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| Weaknesses | CWE-754 | |
| CPEs | cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:firefox:*:*:*:*:esr:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:* cpe:2.3:a:mozilla:thunderbird:*:*:*:*:esr:*:*:* |
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| Vendors & Products |
Mozilla thunderbird
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Wed, 25 Mar 2026 14:15:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Weaknesses | CWE-120 CWE-190 |
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| Metrics |
cvssV3_1
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Wed, 25 Mar 2026 12:00:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| First Time appeared |
Mozilla
Mozilla firefox Mozilla firefox Esr |
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| Vendors & Products |
Mozilla
Mozilla firefox Mozilla firefox Esr |
Tue, 24 Mar 2026 20:30:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9. | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, Firefox ESR < 140.9, Thunderbird < 149, and Thunderbird < 140.9. |
| References |
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Tue, 24 Mar 2026 12:45:00 +0000
| Type | Values Removed | Values Added |
|---|---|---|
| Description | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component. This vulnerability affects Firefox < 149, Firefox ESR < 115.34, and Firefox ESR < 140.9. | |
| Title | Sandbox escape due to incorrect boundary conditions, integer overflow in the XPCOM component | |
| References |
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Status: PUBLISHED
Assigner: mozilla
Published: 2026-03-24T12:30:23.260Z
Updated: 2026-04-13T13:48:38.103Z
Reserved: 2026-03-23T23:21:39.901Z
Link: CVE-2026-4689
Updated: 2026-03-25T13:17:12.774Z
Status : Modified
Published: 2026-03-24T13:16:04.737
Modified: 2026-04-13T15:17:37.393
Link: CVE-2026-4689