CVE-2026-8093

Memory safety bugs present in Firefox 150.0.1. 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 150.0.2 and Thunderbird 150.0.2.

CVSS v3 8.1 HIGH

8.1^/10

CVSS v3 : HIGH

Vector :

Exploitability : 2.2 / Impact : 5.9

Attack Vector NETWORK

Attack Complexity HIGH

Privileges Required NONE

User Interaction NONE

Confidentiality Impact HIGH

Integrity Impact HIGH

Availability Impact HIGH

Scope UNCHANGED

References

Link	Resource
https://bugzilla.mozilla.org/buglist.cgi?bug_id=1981270%2C2027154%2C2028332%2C2029327%2C2029894%2C2032189%2C2034837%2C2035968%2C2036256
https://www.mozilla.org/security/advisories/mfsa2026-40/	Vendor Advisory
https://www.mozilla.org/security/advisories/mfsa2026-43/	Vendor Advisory
https://access.redhat.com/security/cve/CVE-2026-8093
https://bugzilla.redhat.com/show_bug.cgi?id=2467701
https://security.access.redhat.com/data/csaf/v2/vex/2026/cve-2026-8093.json

Configurations

Configuration 1 (hide)

OR	cpe:2.3:a:mozilla:firefox::::::::
	cpe:2.3:a:mozilla:thunderbird::::::::

History

No history.

Information

Published : 2026-05-07 13:16

Updated : 2026-07-15 01:17

NVD link : CVE-2026-8093

Mitre link : CVE-2026-8093

CVE.ORG link : CVE-2026-8093

JSON object : View

Products Affected

mozilla

thunderbird
firefox

CWE

CWE-119

Improper Restriction of Operations within the Bounds of a Memory Buffer

CWE-120

Buffer Copy without Checking Size of Input ('Classic Buffer Overflow')

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