Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0, Thunderbird ESR 140.10.0, Firefox 150.0.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, and Firefox ESR 115.35.1.
Advisories

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Fixes

Solution

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Workaround

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History

Tue, 28 Apr 2026 14:30:00 +0000

Type Values Removed Values Added
Description Memory safety bugs present in Firefox ESR 115.35.0, Firefox ESR 140.10.0, Thunderbird ESR 140.10.0, Firefox 150.0.0 and Thunderbird 150.0.0. Some of these bugs showed evidence of memory corruption and we presume that with enough effort some of these could have been exploited to run arbitrary code. This vulnerability was fixed in Firefox 150.0.1, Firefox ESR 140.10.1, and Firefox ESR 115.35.1.
Title Memory safety bugs fixed in Firefox ESR 115.35.1, Firefox ESR 140.10.1, Thunderbird ESR 140.10.1, Firefox 150.0.1 and Thunderbird 150.0.1
References

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cve-icon MITRE

Status: PUBLISHED

Assigner: mozilla

Published:

Updated: 2026-04-28T13:49:09.314Z

Reserved: 2026-04-28T13:42:17.804Z

Link: CVE-2026-7322

cve-icon Vulnrichment

No data.

cve-icon NVD

Status : Received

Published: 2026-04-28T15:16:37.727

Modified: 2026-04-28T15:16:37.727

Link: CVE-2026-7322

cve-icon Redhat

No data.

cve-icon OpenCVE Enrichment

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Weaknesses

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