CVE-2026-6778: Vulnerability in Mozilla Firefox
Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI Analysis
Technical Summary
CVE-2026-6778 is an invalid pointer vulnerability in the Audio/Video Playback component of Mozilla Firefox. The issue was resolved in Firefox 150 as part of a security update addressing multiple memory safety bugs and other vulnerabilities. The Mozilla Foundation Security Advisory MFSA2026-30 lists this vulnerability with a low impact rating and confirms that it has been fixed in Firefox 150. No CVSS score is provided for this vulnerability. There are no known active exploits targeting this issue.
Potential Impact
The vulnerability involves an invalid pointer in the Audio/Video Playback component, which could potentially lead to memory safety issues. However, the Mozilla advisory rates the impact as low, indicating limited risk or exploitability. There are no reports of exploitation in the wild. The fix in Firefox 150 eliminates the vulnerability, reducing the risk to users who update.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 150. Users should update to Firefox 150 or later to remediate this issue. Since the vulnerability is fixed in the official release, no additional mitigation steps are required beyond applying the update. Patch status is confirmed by the vendor advisory.
CVE-2026-6778: Vulnerability in Mozilla Firefox
Description
Invalid pointer in the Audio/Video: Playback component. This vulnerability was fixed in Firefox 150 and Thunderbird 150.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6778 is an invalid pointer vulnerability in the Audio/Video Playback component of Mozilla Firefox. The issue was resolved in Firefox 150 as part of a security update addressing multiple memory safety bugs and other vulnerabilities. The Mozilla Foundation Security Advisory MFSA2026-30 lists this vulnerability with a low impact rating and confirms that it has been fixed in Firefox 150. No CVSS score is provided for this vulnerability. There are no known active exploits targeting this issue.
Potential Impact
The vulnerability involves an invalid pointer in the Audio/Video Playback component, which could potentially lead to memory safety issues. However, the Mozilla advisory rates the impact as low, indicating limited risk or exploitability. There are no reports of exploitation in the wild. The fix in Firefox 150 eliminates the vulnerability, reducing the risk to users who update.
Mitigation Recommendations
Mozilla has fixed this vulnerability in Firefox 150. Users should update to Firefox 150 or later to remediate this issue. Since the vulnerability is fixed in the official release, no additional mitigation steps are required beyond applying the update. Patch status is confirmed by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:41:08.788Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"}]
Threat ID: 69e778a219fe3cd2cdd16615
Added to database: 4/21/2026, 1:16:18 PM
Last enriched: 4/21/2026, 1:32:01 PM
Last updated: 4/22/2026, 7:16:09 AM
Views: 15
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