CVE-2026-0887

Clickjacking issue, information disclosure in the PDF Viewer component

State
Published
Severity
4.3 Medium
Published
Jan 13, 2026
Updated
Apr 13, 2026
Reserved
Jan 13, 2026

Read the record on cve.org

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.

Scores

CVSSScoreVectorSource
3.14.3 MediumCVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:U/C:L/I:N/A:NCISA-ADP

Weaknesses

  • CWE-497 Exposure of Sensitive System Information to an Unauthorized Control Sphere

Affected Products

ProductVersions
FirefoxMozilla
  • 140.7 through 140.*Not affected
  • 147 and laterNot affected
ThunderbirdMozilla
  • 140.7 through 140.*Not affected
  • 147 and laterNot affected

References

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