cbcvebase.
CVE-2026-0883
published 2026-01-13

CVE-2026-0883: Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

medium5.3CVSS 3.1
AVNACLPRNUINSUCLINAN
Information disclosure in the Networking component. This vulnerability was fixed in Firefox 147, Firefox ESR 140.7, Thunderbird 147, and Thunderbird 140.7.

Affected

13 ranges
VendorProductVersion rangeFixed in
apachehttpd
debianfirefox< firefox 147.0-1 (sid)firefox 147.0-1 (sid)
debianfirefox-esr< firefox 147.0-1 (sid)firefox 147.0-1 (sid)
debianthunderbird< firefox 147.0-1 (sid)firefox 147.0-1 (sid)
mozillafirefox< 140.7.0140.7.0
mozillafirefox< 147.0147.0
mozillafirefox
mozillathunderbird< 140.7.0140.7.0
mozillathunderbird< 147.0147.0
mozillathunderbird>= 0 < 1:140.7.0esr-1~deb11u11:140.7.0esr-1~deb11u1
mozillathunderbird>= 0 < 1:140.7.0esr-1~deb12u11:140.7.0esr-1~deb12u1
mozillathunderbird>= 0 < 1:140.7.0esr-1~deb13u11:140.7.0esr-1~deb13u1
mozillathunderbird>= 0 < 1:140.7.0esr-11:140.7.0esr-1

CVSS provenance

nvdv3.15.3MEDIUMCVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:L/I:N/A:N
osv5.3MEDIUM