CVE-2026-6775: Incorrect boundary conditions in the WebRTC component
Incorrect boundary conditions in the WebRTC 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
Mozilla Firefoxto a version that resolves this vulnerability.Fixed in 150 - Upgrade
Upgrade
Mozilla Thunderbirdto 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-2026-6775?
CVE-2026-6775 has a high severity rating due to incorrect boundary conditions in the WebRTC component.
How do I fix CVE-2026-6775?
To fix CVE-2026-6775, update to Firefox or Thunderbird version 150 or later.
Which products are affected by CVE-2026-6775?
CVE-2026-6775 affects Mozilla Firefox and Mozilla Thunderbird versions prior to 150.
What exploit is associated with CVE-2026-6775?
CVE-2026-6775 may allow for remote code execution due to improper handling of buffer boundaries in the WebRTC component.
When was CVE-2026-6775 discovered?
CVE-2026-6775 was publicly disclosed as part of a security advisory in 2026.