CVE-2026-6779: Other issue in the JavaScript Engine component
Other issue in the JavaScript Engine component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
Affected Software
Remediation
Recommended actions to resolve this vulnerability, in priority order.
- Upgrade
Upgrade to a fixed release to a version that resolves this vulnerability.
Fixed in 150 - Upgrade
Upgrade
Firefox (JavaScript Engine)to a version that resolves this vulnerability.Fixed in 150 - Upgrade
Upgrade
Thunderbird (JavaScript Engine)to a version that resolves this vulnerability.Fixed in 150
Event History
Peer vulnerabilities
Found alongside the following vulnerabilities.
- CVE-2026-6746
- CVE-2026-6747
- CVE-2026-6748
- CVE-2026-6749
- CVE-2026-6750
- CVE-2026-6751
- CVE-2026-6752
- CVE-2026-6753
- CVE-2026-6754
- CVE-2026-6755
- CVE-2026-6757
- CVE-2026-6758
- CVE-2026-6759
- CVE-2026-6760
- CVE-2026-6761
- CVE-2026-6762
- CVE-2026-6763
- CVE-2026-6764
- CVE-2026-6765
- CVE-2026-6766
- CVE-2026-6767
- CVE-2026-6768
- CVE-2026-6769
- CVE-2026-6770
- CVE-2026-6771
- CVE-2026-6772
- CVE-2026-6773
- CVE-2026-6774
- CVE-2026-6775
- CVE-2026-6776
- CVE-2026-6777
- CVE-2026-6778
- CVE-2026-6779
- CVE-2026-6780
- CVE-2026-6781
- CVE-2026-6782
- CVE-2026-6783
- CVE-2026-7321
- CVE-2026-8091
- CVE-2026-6784
- CVE-2026-6785
- CVE-2026-6786
- CVE-2026-6756
Frequently Asked Questions
What is the severity of CVE-2026-6779?
The severity level of CVE-2026-6779 is classified as high due to its potential to allow arbitrary code execution.
How do I fix CVE-2026-6779?
To fix CVE-2026-6779, users should update to Firefox or Thunderbird version 150 or later.
What products are affected by CVE-2026-6779?
CVE-2026-6779 affects Mozilla Firefox versions below 150 and Mozilla Thunderbird versions below 150.
What type of vulnerability is CVE-2026-6779?
CVE-2026-6779 is classified as an issue in the JavaScript Engine component.
When was CVE-2026-6779 fixed?
CVE-2026-6779 was fixed in version 150 of Firefox and Thunderbird.