SecuriTricks - CVE-2026-6779

Description

Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.

Product(s) Impacted

Vendor	Product	Versions
Mozilla	Firefox Thunderbird	* *

Weaknesses

Common security weaknesses mapped to this vulnerability.

CWE-20

Improper Input Validation

The product receives input or data, but it does not validate or incorrectly validates that the input has the properties that are required to process the data safely and correctly.

*CPE(s)

Affected systems and software identified for this CVE.

Type	Vendor	Product	Version	Update	Edition	Language	Software Edition	Target Software	Target Hardware	Other Information
a	mozilla	firefox	/	/	/	/	-	/	/	/
a	mozilla	thunderbird	/	/	/	/	-	/	/	/

References

https://bugzilla.mozilla.org/show_bug.cgi?id=2023343

https://www.mozilla.org/security/advisories/mfsa2026-30/

https://www.mozilla.org/security/advisories/mfsa2026-33/

CVSS Score

5.3 / 10

CVSS Data - 3.1

Attack Vector: NETWORK
Attack Complexity: LOW
Privileges Required: NONE
Scope: UNCHANGED
Confidentiality Impact: LOW
Integrity Impact: NONE
Availability Impact: NONE

CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N

View Vector String

Timeline

Published: April 21, 2026, 1:16 p.m.
Last Modified: April 22, 2026, 3:18 p.m.

Status : Analyzed

CVE has been recently published to the CVE List and has been received by the NVD.

More info

Source

[email protected]

CVE-2026-6779