CVE - CVE-2021-38506

CVE-ID
CVE-2021-38506	Learn more at National Vulnerability Database (NVD) • CVSS Severity Rating • Fix Information • Vulnerable Software Versions • SCAP Mappings • CPE Information
Description
Through a series of navigations, Firefox could have entered fullscreen mode without notification or warning to the user. This could lead to spoofing attacks on the browser UI including phishing. This vulnerability affects Firefox < 94, Thunderbird < 91.3, and Firefox ESR < 91.3.
References
Note: References are provided for the convenience of the reader to help distinguish between vulnerabilities. The list is not intended to be complete.
DEBIAN:DSA-5026 URL:https://www.debian.org/security/2021/dsa-5026 DEBIAN:DSA-5034 URL:https://www.debian.org/security/2022/dsa-5034 GENTOO:GLSA-202202-03 URL:https://security.gentoo.org/glsa/202202-03 GENTOO:GLSA-202208-14 URL:https://security.gentoo.org/glsa/202208-14 MISC:https://bugzilla.mozilla.org/show_bug.cgi?id=1730750 URL:https://bugzilla.mozilla.org/show_bug.cgi?id=1730750 MISC:https://www.mozilla.org/security/advisories/mfsa2021-48/ URL:https://www.mozilla.org/security/advisories/mfsa2021-48/ MISC:https://www.mozilla.org/security/advisories/mfsa2021-49/ URL:https://www.mozilla.org/security/advisories/mfsa2021-49/ MISC:https://www.mozilla.org/security/advisories/mfsa2021-50/ URL:https://www.mozilla.org/security/advisories/mfsa2021-50/ MLIST:[debian-lts-announce] 20211229 [SECURITY] [DLA 2863-1] firefox-esr security update URL:https://lists.debian.org/debian-lts-announce/2021/12/msg00030.html MLIST:[debian-lts-announce] 20220104 [SECURITY] [DLA 2874-1] thunderbird security update URL:https://lists.debian.org/debian-lts-announce/2022/01/msg00001.html
Assigning CNA
Mozilla Corporation
Date Record Created
20210810	Disclaimer: The record creation date may reflect when the CVE ID was allocated or reserved, and does not necessarily indicate when this vulnerability was discovered, shared with the affected vendor, publicly disclosed, or updated in CVE.
Phase (Legacy)
Assigned (20210810)
Votes (Legacy)

Comments (Legacy)

Proposed (Legacy)
N/A
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