CVE-2026-6783: Vulnerability in Mozilla Firefox
CVE-2026-6783 is a vulnerability in Mozilla Firefox involving incorrect boundary conditions and an integer overflow in the Audio/Video: Playback component. This issue was addressed and fixed in Firefox version 150. The vulnerability is part of a broader set of memory safety and boundary condition bugs resolved in this release. There are no known exploits in the wild for this specific vulnerability. The vendor advisory classifies the impact as low for this issue. Users are advised to update to Firefox 150 to mitigate this vulnerability.
AI Analysis
Technical Summary
CVE-2026-6783 describes an incorrect boundary condition and integer overflow vulnerability within the Audio/Video: Playback component of Mozilla Firefox. This flaw could potentially lead to unexpected behavior or memory corruption. Mozilla fixed this vulnerability in Firefox 150 as part of a security update addressing multiple memory safety and boundary condition issues across various components. No detailed CVSS score is provided, but the vendor advisory indicates a low impact rating for this specific vulnerability.
Potential Impact
The vulnerability could cause unexpected behavior or memory corruption due to incorrect boundary checks and integer overflow in the audio/video playback functionality. However, the vendor advisory rates the impact as low and there are no known exploits in the wild. The fix in Firefox 150 mitigates the risk.
Mitigation Recommendations
A fix for CVE-2026-6783 is available in Mozilla Firefox version 150. Users and administrators should update to Firefox 150 or later to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
CVE-2026-6783: Vulnerability in Mozilla Firefox
Description
CVE-2026-6783 is a vulnerability in Mozilla Firefox involving incorrect boundary conditions and an integer overflow in the Audio/Video: Playback component. This issue was addressed and fixed in Firefox version 150. The vulnerability is part of a broader set of memory safety and boundary condition bugs resolved in this release. There are no known exploits in the wild for this specific vulnerability. The vendor advisory classifies the impact as low for this issue. Users are advised to update to Firefox 150 to mitigate this vulnerability.
AI-Powered Analysis
Machine-generated threat intelligence
Technical Analysis
CVE-2026-6783 describes an incorrect boundary condition and integer overflow vulnerability within the Audio/Video: Playback component of Mozilla Firefox. This flaw could potentially lead to unexpected behavior or memory corruption. Mozilla fixed this vulnerability in Firefox 150 as part of a security update addressing multiple memory safety and boundary condition issues across various components. No detailed CVSS score is provided, but the vendor advisory indicates a low impact rating for this specific vulnerability.
Potential Impact
The vulnerability could cause unexpected behavior or memory corruption due to incorrect boundary checks and integer overflow in the audio/video playback functionality. However, the vendor advisory rates the impact as low and there are no known exploits in the wild. The fix in Firefox 150 mitigates the risk.
Mitigation Recommendations
A fix for CVE-2026-6783 is available in Mozilla Firefox version 150. Users and administrators should update to Firefox 150 or later to remediate this vulnerability. No additional mitigation steps are indicated by the vendor advisory.
Technical Details
- Data Version
- 5.2
- Assigner Short Name
- mozilla
- Date Reserved
- 2026-04-21T12:41:12.181Z
- Cvss Version
- null
- State
- PUBLISHED
- Remediation Level
- null
- Vendor Advisory Urls
- [{"url":"https://www.mozilla.org/security/advisories/mfsa2026-30/","vendor":"Mozilla"}]
Threat ID: 69e778a219fe3cd2cdd16629
Added to database: 4/21/2026, 1:16:18 PM
Last enriched: 4/21/2026, 1:31:31 PM
Last updated: 4/21/2026, 2:43:11 PM
Views: 3
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