CVE-2026-0888

Information disclosure in the XML component. This vulnerability affects Firefox < 147 and Thunderbird < 147.
Configurations

Configuration 1 (hide)

OR cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*

History

22 Jan 2026, 19:07

Type Values Removed Values Added
First Time Mozilla
Mozilla firefox
Mozilla thunderbird
CPE cpe:2.3:a:mozilla:firefox:*:*:*:*:-:*:*:*
cpe:2.3:a:mozilla:thunderbird:*:*:*:*:-:*:*:*
References () https://bugzilla.mozilla.org/show_bug.cgi?id=1985996 - () https://bugzilla.mozilla.org/show_bug.cgi?id=1985996 - Permissions Required
References () https://www.mozilla.org/security/advisories/mfsa2026-01/ - () https://www.mozilla.org/security/advisories/mfsa2026-01/ - Vendor Advisory
References () https://www.mozilla.org/security/advisories/mfsa2026-04/ - () https://www.mozilla.org/security/advisories/mfsa2026-04/ - Vendor Advisory

15 Jan 2026, 10:16

Type Values Removed Values Added
References
  • () https://www.mozilla.org/security/advisories/mfsa2026-04/ -
Summary (en) Information disclosure in the XML component. This vulnerability affects Firefox < 147. (en) Information disclosure in the XML component. This vulnerability affects Firefox < 147 and Thunderbird < 147.

13 Jan 2026, 21:15

Type Values Removed Values Added
CWE CWE-200
CVSS v2 : unknown
v3 : unknown
v2 : unknown
v3 : 5.3

13 Jan 2026, 14:16

Type Values Removed Values Added
New CVE

Information

Published : 2026-01-13 14:16

Updated : 2026-01-22 19:07


NVD link : CVE-2026-0888

Mitre link : CVE-2026-0888

CVE.ORG link : CVE-2026-0888


JSON object : View

Products Affected

mozilla

  • thunderbird
  • firefox
CWE
CWE-200

Exposure of Sensitive Information to an Unauthorized Actor