CVEvulnerability
CVE-2026-0887
4.3 MEDIUM
Official page ↗
- Status
- Modified
- Published
- 2026-01-13
- Last modified
- 2026-06-17
- Assigner
- [email protected]
- CVSS 3.1 (134c704f-9b21-4f2e-91b3-4a467353bcc0)
- 4.3 MEDIUM — CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:N
- Weaknesses
- CWE-497
Description
Clickjacking issue, information disclosure in the PDF Viewer component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.
Affected configurations
• mozilla firefox (< 140.7.0)
• mozilla firefox (< 147.0)
• mozilla thunderbird (< 140.7.0)
• mozilla thunderbird (< 147.0)
Related
Weakness · CWE (1)
- CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere weakness
References
- https://bugzilla.mozilla.org/show_bug.cgi?id=2006500 Permissions Required
- https://www.mozilla.org/security/advisories/mfsa2026-01/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-03/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-04/ Vendor Advisory
- https://www.mozilla.org/security/advisories/mfsa2026-05/ Vendor Advisory